{"id":12,"date":"2015-12-08T06:09:42","date_gmt":"2015-12-08T06:09:42","guid":{"rendered":"http:\/\/www.onepage.co.kr\/wordpress\/?p=12"},"modified":"2015-12-08T06:10:18","modified_gmt":"2015-12-08T06:10:18","slug":"%ed%8c%8c%ec%9d%bc-%ec%8b%9c%ec%8a%a4%ed%85%9c%ec%9d%98-%ed%8d%bc%eb%af%b8%ec%85%98-%eb%b0%8f-%ec%86%8c%ec%9c%a0%ea%b6%8c","status":"publish","type":"post","link":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/2015\/12\/08\/%ed%8c%8c%ec%9d%bc-%ec%8b%9c%ec%8a%a4%ed%85%9c%ec%9d%98-%ed%8d%bc%eb%af%b8%ec%85%98-%eb%b0%8f-%ec%86%8c%ec%9c%a0%ea%b6%8c\/","title":{"rendered":"\ud30c\uc77c \uc2dc\uc2a4\ud15c\uc758 \ud37c\ubbf8\uc158 \ubc0f \uc18c\uc720\uad8c"},"content":{"rendered":"


1. \ud37c\ubbf8\uc158(Permission)\uc758 \uc774\ud574<\/b>\u00a0<\/p>\n

\u00a0– \ub9ac\ub205\uc2a4 \uc2dc\uc2a4\ud15c\uacfc \uac19\uc740 \ub2e4\uc911 \uc0ac\uc6a9\uc790 \uc6b4\uc601\uccb4\uc81c\uc5d0\uc11c \ud30c\uc77c\uc774\ub098 \ub514\ub809\ud1a0\ub97c \uc77d\uac70\ub098(read), \uc4f0\uac70\ub098(write), \uc2e4\ud589(execute) \ud558\ub294 \ub4f1\uc758 \ud589\uc704\ub97c \ub9d0\ud568\u00a0<\/p>\n

\u00a0– \ud30c\uc77c \uc2dc\uc2a4\ud15c\uacfc \uac19\uc740 \uc790\uc6d0\uc5d0 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub294 \uc790\uaca9 \ub610\ub294 \uc811\uadfc \ud5c8\uac00\ub97c \uc758\ubbf8<\/p>\n

\u00a0– \uc77c\ubc18\uc801\uc73c\ub85c \uac01 \ud30c\uc77c\uc740 \uc11c\ub85c \ub2e4\ub978 \uc885\ub958\uc758 \uc561\uc138\uc2a4\ub098 \uc0ac\uc6a9\uc790, \uc0ac\uc6a9\uc790 \uadf8\ub8f9, \ub098\uba38\uc9c0 \uc0ac\uc6a9\uc790\ub4e4\uc5d0\uac8c \ub300\ud574 \uac01\uac01 \ub2e4\ub978 \ud37c\ubbf8\uc158\uc744 \ubd80\uc5ec\ud560 \uc218 \uc788\uc74c.<\/p>\n

2. \ud30c\uc77c\uacfc \ub514\ub809\ud1a0\ub9ac\uc758 \uc18d\uc131 \uac12 \ud655\uc778<\/b><\/p>\n\n\n\n\n
\ud30c\uc77c \ud615\ud0dc<\/td>\n\uc0ac\uc6a9\uad8c\ud55c\u00a0<\/td>\n\ud558\ub4dc\ub9c1\ud06c \ubc88\ud638\u00a0<\/td>\nowner \uc774\ub984\u00a0<\/td>\ngroup \uc774\ub984\u00a0<\/td>\n\ud30c\uc77c \ud06c\uae30\u00a0<\/td>\n\uc2dc\uac04\u00a0<\/td>\n\ud30c\uc77c\uba85\u00a0<\/td>\n<\/tr>\n
\u00a0–<\/td>\nrw-r–r–\u00a0<\/td>\n1\u00a0<\/td>\nroot\u00a0<\/td>\nroot\u00a0<\/td>\n31904\u00a0<\/td>\n\u00a0<\/td>\n\n

\u00a0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"\"\u00a0<\/p>\n

 <\/p>\n

3. \ud30c\uc77c \uc720\ud615<\/b><\/p>\n\n\n\n\n\n\n\n\n
\uae30\ud638\u00a0<\/b><\/td>\n\uc124\uba85\u00a0<\/b><\/td>\n<\/tr>\n
–\u00a0<\/td>\n\uc77c\ubc18 \ud30c\uc77c\uc758 \uc758\ubbf8\u00a0<\/td>\n<\/tr>\n
d\u00a0<\/td>\n\ub514\ub809\ud1a0\ub9ac \ud30c\uc77c\uc744 \uc758\ubbf8\u00a0<\/td>\n<\/tr>\n
l\u00a0<\/td>\n\uc2ec\ubcfc\ub9ad \ub9c1\ud06c \ud30c\uc77c\uc744 \uc758\ubbf8\u00a0<\/td>\n<\/tr>\n
b\u00a0<\/td>\nBlock Device \ud30c\uc77c\uc744 \uc758\ubbf8\u00a0<\/td>\n<\/tr>\n
c\u00a0<\/td>\n\n

Character Device \ud30c\uc77c\uc744 \uc758\ubbf8\u00a0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

4. \ud30c\uc77c \ud37c\ubbf8\uc158<\/b><\/p>\n

\u00a01) \uc18c\uc720\uc790(uesr)\u00a0<\/b><\/p>\n

\u00a0 –\u00a0\uccab 3\uac1c\uc758 \ubb38\uc790(\uc0c1\uc704 rw-)\u00a0<\/p>\n

\u00a0 –\u00a0\uc18c\uc720\uc790\ub294 \ud574\ub2f9 \ud30c\uc77c\uc774\ub098 \ub514\ub809\ud1a0\ub9ac\ub97c \uc0dd\uc131\ud558\uac70\ub098 \ud574\ub2f9 \ud30c\uc77c\uc744 \uc18c\uc720\ud55c \uc0ac\uc6a9\uc790\ub97c \uc758\ubbf8<\/p>\n

\u00a02) \uadf8\ub8f9 \uc18c\uc720\uc790(group)<\/b><\/p>\n

\u00a0 –\u00a0\uc18c\uc720\uc790 \ud37c\ubbf8\uc158 \ub2e4\uc74c 3\uac1c\uc758 \ubb38\uc790(\uc0c1\uc704 r–)<\/p>\n

\u00a0 – \uc2dc\uc2a4\ud15c \uc6b4\uc601 \uc2dc \ud544\uc694\uc5d0 \ub530\ub978 \uadf8\ub8f9\uc744 \uc0dd\uc131\ud558\uace0 \uac01 \uadf8\ub8f9\uc5d0 \uc0ac\uc6a9\uc790 \uacc4\uc815\uc744 \ud3ec\ud568\uc2dc\ud0a4\uac8c \ub428.\u00a0<\/p>\n

\u00a0 –\u00a0\uadf8\ub8f9\uc5d0 \ud3ec\ud568\ub428.\u00a0<\/p>\n

\u00a0 –\u00a0\uadf8\ub8f9\uc5d0 \ud3ec\ud568\ub418\uc5b4 \uc788\ub294 \uc0ac\uc6a9\uc790\ub4e4\uc774 \ud574\ub2f9 \ud30c\uc77c\uc774\ub098 \ub514\ub809\ud1a0\ub9ac\uc5d0 \ub300\ud55c \uad8c\ud55c\uc744 \uc758\ubbf8<\/p>\n

\u00a03) \ub098\uba38\uc9c0 \uc0ac\uc6a9\uc790(other)\u00a0<\/b><\/p>\n

\u00a0 –\u00a0\ub9c8\uc9c0\ub9c9 3\uac1c \ubb38\uc790(\uc0c1\uc704 r–).<\/p>\n

\u00a0 – \uc18c\uc720\uc790\uc640 \uadf8\ub8f9 \uc18c\uc720\uc790\uc5d0 \ud3ec\ud568\ub418\uc9c0 \uc54a\ub294 \ubaa8\ub4e0 \uc0ac\uc6a9\uc790\uac00 \ud574\ub2f9 \ud30c\uc77c\uc774\ub098 \ub370\ub809\ud1a0\ub9ac\uc5d0 \uac00\uc9c0\ub294 \uad8c\ud55c\uc744 \uc758\ubbf8<\/p>\n\n\n\n\n\n\n
\uae30\ud638<\/b><\/td>\n\ud37c\ubbf8\uc158<\/b><\/td>\n\uc77c\ubc18 \ud30c\uc77c<\/b><\/td>\n\n

\ub514\ub809\ud1a0\ub9ac\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

r\u00a0<\/td>\n\uc77d\uae30 \uad8c\ud55c<\/td>\n\u00a0\ub0b4\uc6a9\uc744 \uc77d\uc744 \uc218 \uc788\ub294 \uad8c\ud55c\u00a0<\/td>\n\u00a0ls \ub4f1\uc758 \uba85\ub839\uc5b4\ub97c \uc774\uc6a9\ud558\uc5ec \ub514\ub809\ud1a0\ub9ac \ub0b4\uc758 \ub9ac\uc2a4\ud2b8\ub97c \ud655\uc778\ud560 \uc218 \uc788\ub294 \uad8c\ud55c<\/td>\n<\/tr>\n
w\u00a0<\/td>\n\uc4f0\uae30 \uad8c\ud55c<\/td>\n\u00a0\ud30c\uc77c\uc744 \uc4f0\uac70\ub098 \uc9c0\uc6b8 \uc218 \uc788\ub294 \uad8c\ud55c<\/td>\n\u00a0\ub514\ub809\ud1a0\ub9ac \ub0b4\uc5d0 \ud30c\uc77c\uc744 \uc0dd\uc131, \uc0ad\uc81c\ud560 \uc218 \uc788\ub294 \uad8c\ud55c<\/td>\n<\/tr>\n
x<\/td>\n\n

\uc2e4\ud589 \uad8c\ud55c\u00a0<\/p>\n<\/td>\n

\u00a0\ubc14\uc774\ub108\ub9ac \ud30c\uc77c(\uc2e4\ud589 \ud30c\uc77c)\uc5d0 \ub300\ud55c \uc2e4\ud589 \uad8c\ud55c\u00a0<\/td>\n\u00a0\ub514\ub809\ud1a0\ub9ac \uc704\uce58\ub97c \ubcc0\uacbd\ud558\uac70\ub098 \ub514\ub809\ud1a0\ub9ac \ub0b4\uc758 \ud56d\ubcf5\ub4e4\uc744 \uc77d\uc744 \uc218 \uc788\ub294 \uad8c\ud55c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

5. \ud37c\ubbf8\uc158\uc758 \uc608<\/b><\/p>\n

\u00a01) drwxrw-r– : \ub514\ub809\ud1a0\ub9ac\uc774\uba70 \uc18c\uc720\uc790\ub294 \ubaa8\ub4e0 \uad8c\ud55c(\uc77d\uae30, \uc4f0\uae30, \uc2e4\ud589), \uadf8\ub8f9\uc5d0 \ud3ec\ud568\ub41c \uc0ac\uc6a9\uc790\ub294 \uc77d\uac70\ub098 \uc4f8 \uc218 \uc788\ub294 \uad8c\ud55c, \ub098\uba38\uc9c0 \uc0ac\uc6a9\uc790\ub294 \ub294 \uc77d\uae30\ub9cc \uac00\ub2a5<\/p>\n

\u00a02) drw-r—– : \ub514\ub809\ud1a0\ub9ac\uc774\uba70 \uc18c\uc720\uc790\ub294 \uc77d\uae30\uc640 \uc4f0\uae30 \uad8c\ud55c, \uadf8\ub8f9\uc5d0 \uc18d\ud55c \uc0ac\uc6a9\uc790\ub294 \uc77d\uae30 \uad8c\ud55c\ub9cc, \ub098\uba38\uc9c0 \uc0ac\uc6a9\uc790\ub294 \uc811\uadfc \uad8c\ud55c\uc774 \uc5c6\uc74c<\/p>\n

\u00a03) -rwxrwxr– : \uc77c\ubc18 \ud30c\uc77c\uc774\uba70 \uc18c\uc720\uc790\ub294 \ubaa8\ub4e0 \uad8c\ud55c, \uadf8\ub8f9 \uc0ac\uc6a9\uc790\ub3c4 \ubaa8\ub4e0 \uad8c\ud55c, \ub098\uba38\uc9c0 \uc0ac\uc6a9\uc790\ub294 \uc77d\uae30\ub9cc \uac00\ub2a5<\/p>\n

6. \ud37c\ubbf8\uc158 \uc778\uc99d \uc808\ucc28<\/b><\/p>\n

\u00a0– LINUX\uc758 \ubaa8\ub4e0 \ud30c\uc77c\uacfc \ub514\ub809\ud1a0\ub9ac\ub294 \uc18c\uc720\uc790\uc640 \uadf8\ub8f9\uc18c\uc720\uc790\ub97c \uac00\uc9c0\uace0 \uc788\uc73c\uba70 \uc774\ub294 ls-l \ud639\uc740 ls-n \uba85\ub839\uc744 \ud1b5\ud574 \ud655\uc778\uc774 \uac00\ub2a5<\/p>\n

\u00a0– ls -l : \uc18c\uc720\uc790\uc640 \uadf8\ub8f9\uc18c\uc720\uc790\ub97c \uacc4\uc815\uba85\uacfc \uadf8\ub8f9\uba85\uc73c\ub85c \ud45c\ud604<\/p>\n

\u00a0– ls -n : \uc18c\uc720\uc790\uc640 \uadf8\ub8f9\uc18c\uc720\uc790\ub97c uid, gid\ub85c \ud45c\ud604<\/p>\n

\u00a0– \uacc4\uc815\uba85\uacfc uid\ub294 \ub3d9\uc77c\ud558\uac8c \ucde8\uae09\ub418\uba70 \uadf8\ub8f9\uba85\uacfc gid\ub3c4 \ub3d9\uc77c\ud558\uac8c \ucde8\uae09\ub428<\/p>\n

\"\"\u00a0<\/p>\n

7. \ud37c\ubbf8\uc158 \uc778\uc99d \uc808\ucc28 \uc608<\/b><\/p>\n

\u00a01) \uc0ac\uc6a9\uc790\uac00 install.log \ud30c\uc77c\uc744 \uc218\uc815\ud558\uae30 \uc704\ud574 \uc4f0\uae30 \uad8c\ud55c\uc744 \uc694\uccad<\/p>\n

\u00a02) install.log \ud30c\uc77c\uc758 uid\ub97c \uc774\uc6a9\ud558\uc5ec \uc0ac\uc6a9\uc790 \uacc4\uc815\uacfc uid\uc640 \ube44\uad50<\/p>\n

\u00a03) \uc77c\uce58\ud558\uba74 \uc18c\uc720\uc790\ub85c \uc778\uc815\ud558\uc5ec \uc18c\uc720\uc790\uc758 \ud37c\ubbf8\uc158\uc744 \ubd80\uc5ec<\/p>\n

\u00a04) \uc77c\uce58\ud558\uc9c0 \uc54a\uc73c\uba74 \ub2e4\uc74c \ub2e8\uacc4\uc778 gid\uc640 \ube44\uad50<\/p>\n

\u00a05) \uc77c\uce58\ud558\uba74 \uadf8\ub8f9\uc18c\uc720\uc790\ub85c \uc778\uc815\ud558\uc5ec \uadf8\ub8f9\uc18c\uc720\uc790\uc758 \ud37c\ubbf8\uc158\uc744 \ubd80\uc5ec\u00a0<\/p>\n

\u00a06) gid\ub3c4 \uc77c\uce58\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0 other\uc5d0 \ud574\ub2f9\ud558\ub294 \ud37c\ubbf8\uc158\uc744 \ubd80\uc5ec<\/p>\n

8. \ud30c\uc77c \uc18c\uc720\uad8c \ubc0f \uc18c\uc720\uad8c \uadf8\ub8f9\u00a0\ubcc0\uacbd(chown)<\/b><\/p>\n\n\n\n\n\n\n\n\n
\u00a0\uc0ac\uc6a9 \ubc29\ubc95<\/b><\/td>\n<\/tr>\n
\u00a0chown [\uacc4\uc815\uba85] [\ud30c\uc77c\uba85]<\/td>\n\ud30c\uc77c\uc758 \uc18c\uc720\uc790\ub97c \ubcc0\uacbd\u00a0<\/td>\n<\/tr>\n
\u00a0chown [\uacc4\uc815\uba85]:[\uadf8\ub8f9\uba85] [\ud30c\uc77c\uc774\ub984]<\/td>\n\ud30c\uc77c\uc758 \uadf8\ub8f9\uba85\uc744 \ubcc0\uacbd<\/td>\n<\/tr>\n
\u00a0chown uid.gid [\ud30c\uc77c\uc774\ub984]<\/td>\n\ud30c\uc77c\uc758 \uc18c\uc720\uc790\uc640 \uadf8\ub8f9\uc18c\uc720\uc790\ub97c \ubcc0\uacbd<\/td>\n<\/tr>\n
\u00a0\uc635\uc158<\/b><\/td>\n<\/tr>\n
\u00a0-r<\/td>\n\n

\ud558\uc704 \ub514\ub809\ud1a0\ub9ac\uae4c\uc9c0 \uc18c\uc720\uc790\uc640 \uadf8\ub8f9 \uc18c\uc720\uc790\ub97c \ubcc0\uacbd\u00a0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1) \ud30c\uc77c\uc758 \uc18c\uc720\uc790 \ubc0f \uc18c\uc720 \uadf8\ub8f9 \ubcc0\uacbd \ubc29\ubc95<\/b><\/p>\n

\u00a0– useradd tester : tester\ub77c\ub294 \uacc4\uc815 \uc0dd\uc131<\/p>\n

\u00a0– groupadd test : test\ub77c\ub294 \uadf8\ub8f9 \uc0dd\uc131<\/p>\n

\u00a0– touch file1 : touch \uba85\ub839\uc5b4\ub97c \uc774\uc6a9\ud55c file1\uc774\ub77c\ub294 \ud30c\uc77c \uc0dd\uc131<\/p>\n

\u00a0– ls -l : \ud30c\uc77c \ubaa9\ub85d\uc758 \ud615\ud0dc, \uad8c\ud55c, \uc18c\uc720\uc790, \uadf8\ub8f9, \ud06c\uae30, \uc2dc\uac04, \ud30c\uc77c\uba85\uc744 \ub098\uc5f4\ud568.<\/p>\n

\u00a0– ls -n : ls -l\uacfc \ube44\uc2b7\ud558\uba70 \uc18c\uc720\uc790\ub97c UID\ub85c \uc18c\uc720\uc8fc \uadf8\ub8f9\uc744 GID\ub85c \ud45c\uc2dc\ud558\uc5ec \ub098\uc5f4\ud568.<\/p>\n

\u00a0– chown tester.test file1 : file1\uc758\u00a0\uc18c\uc720\uc8fc\ub97c tester\ub85c \uc18c\uc720\uc8fc \uadf8\ub8f9\uc744 test\ub85c \ubcc0\uacbd\ud568<\/p>\n

\"\"\u00a0<\/p>\n

2) \ud558\uc704 \ub514\ub809\ud1a0\ub9ac \uc804\uccb4\uc758 \uc18c\uc720\uc790 \ubc0f \uc18c\uc720 \uadf8\ub8f9 \ubcc0\uacbd<\/b><\/p>\n

\u00a0– mkdir tmp : tmp\ub77c\ub294 \ub514\ub809\ud1a0\ub9ac \uc0dd\uc131<\/p>\n

\u00a0– touch tmp\/test : tmp \ub514\ub809\ud1a0\ub9ac \ud558\uc704\uc5d0 test\ub77c\ub294 \ud30c\uc77c \uc0dd\uc131<\/p>\n

\u00a0– chown -R tester.test tmp\/ : tmp \ub514\ub809\ud1a0\ub9ac \ud558\uc704\uc5d0 \uc788\ub294 \uc804\uccb4\ub97c \uc18c\uc720\uc8fc\ub97c tester\ub85c \uc18c\uc720\uc8fc \uadf8\ub8f9\uc740 test\ub85c \ubcc0\uacbd<\/p>\n

\"\"\u00a0<\/p>\n

9. \ud30c\uc77c\uc758 \uadf8\ub8f9 \uc18c\uc720\uad8c \ubcc0\uacbd (chgrp)<\/b><\/p>\n\n\n\n\n
\u00a0\uc635\uc158<\/b><\/td>\n\u00a0\uc124\uba85<\/b><\/td>\n<\/tr>\n
\u00a0-r<\/td>\n\n

\u00a0\ud558\uc704 \ub514\ub809\ud1a0\ub9ac\uae4c\uc9c0 \uadf8\ub8f9 \uc18c\uc720\uad8c \ubcc0\uacbd<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"\"\u00a0<\/p>\n

10. \ud30c\uc77c\uc758 \ud37c\ubbf8\uc158 \ubcc0\uacbd\u00a0(chmod)<\/b><\/p>\n

1) \uc0c1\ub300 \ubaa8\ub4dc (Symbolic method)<\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\uba85\ub839\uc5b4<\/b><\/td>\n\uc124\uba85\u00a0<\/b><\/td>\n<\/tr>\n
chmod [mode] [\ud30c\uc77c\uc774\ub984]<\/td>\n\u00a0\uc0c1\ub300\ubaa8\ub4dc, \uc808\ub300\ubaa8\ub4dc\ub97c \ud1b5\ud574 \ud30c\uc77c\uc758 \ud37c\ubbf8\uc158 \ubcc0\uacbd<\/td>\n<\/tr>\n
\uae30\ud638<\/b><\/td>\n\uc758\ubbf8\u00a0<\/b><\/td>\n<\/tr>\n
\u00a0u<\/td>\nuser<\/td>\n<\/tr>\n
\u00a0g<\/td>\ngroup<\/td>\n<\/tr>\n
\u00a0o<\/td>\nother<\/td>\n<\/tr>\n
\u00a0a<\/td>\nall<\/td>\n<\/tr>\n
\uae30\ud638<\/b><\/td>\n\uc758\ubbf8\u00a0<\/b><\/td>\n<\/tr>\n
\u00a0+<\/td>\n\ucd94\uac00<\/td>\n<\/tr>\n
\u00a0–<\/td>\n\uc0ad\uc81c<\/td>\n<\/tr>\n
\u00a0=<\/td>\n\uc9c0\uc815 (\ud604\uc7ac\uc758 \uad8c\ud55c\uc744 \uc81c\uac70\ud558\uace0 \uc124\uc815\ud55c \uad8c\ud55c\uc73c\ub85c \uc124\uc815\ub41c\ub2e4.)<\/td>\n<\/tr>\n
\u00a0s<\/td>\n\uc18c\uc720\uc790 \ub610\ub294 \uadf8\ub8f9\ub9cc \uc2e4\ud589\u00a0<\/td>\n<\/tr>\n
\uae30\ud638<\/td>\n\uc758\ubbf8\u00a0<\/td>\n<\/tr>\n
\u00a0r<\/td>\n\uc77d\uae30(read)\u00a0<\/td>\n<\/tr>\n
\u00a0w<\/td>\n\uc4f0\uae30(write)\u00a0<\/td>\n<\/tr>\n
\u00a0x<\/td>\n\n

\uc2e4\ud589(execute)\u00a0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2) \uc0c1\ub300 \ubaa8\ub4dc\ub97c \uc774\uc6a9\ud55c \ud37c\ubbf8\uc158 \ubcc0\uacbd<\/b><\/p>\n

– touch file1 file2 file3 : touch \uba85\ub839\uc5b4\ub97c \uc774\uc6a9\ud55c file1,file2,file3 \uc0dd\uc131<\/p>\n

– chmod a+x file1 : file1\uc758 user, group, other \ud37c\ubbf8\uc158 \uc2e4\ud589(execute)\uad8c\ud55c \ucd94\uac00<\/p>\n

– chmod u+x,g+w,o-r \u00a0file2 : file2\uc758 user\uc5d0\ub294 \uc2e4\ud589\uad8c\ud55c \ucd94\uac00, \uadf8\ub8f9\uc5d0\ub294 \uc4f0\uae30\uad8c\ud55c \ucd94\uac00, other\uc5d0\ub294 \uc77d\uae30\uad8c\ud55c \uc0ad\uc81c\u00a0\u00a0<\/p>\n

\"\"\u00a0<\/p>\n

3) \uc808\ub300\ubaa8\ub4dc<\/b><\/p>\n\n\n\n\n\n\n
\u00a0\uc18c\uc720\uc790(user)<\/b><\/td>\n\u00a0\uadf8\ub8f9(group)\u00a0<\/b><\/td>\n\u00a0\ub098\uba38\uc9c0(other)\u00a0<\/b><\/td>\n<\/tr>\n
\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n<\/tr>\n
\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n<\/tr>\n
\u00a02\uff3e2<\/td>\n\u00a02\uff3e1<\/td>\n\u00a02\uff3e0<\/td>\n\u00a02\uff3e2<\/td>\n\u00a02\uff3e1<\/td>\n\u00a02\uff3e0<\/td>\n\u00a02\uff3e2<\/td>\n\u00a02\uff3e1<\/td>\n\n

\u00a02\uff3e0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

4) \uc808\ub300\ubaa8\ub4dc\ub97c \uc774\uc6a9\ud55c \ud45c\ud604 \ubc29\ubc95<\/b><\/p>\n

# rwxrw-r–<\/p>\n

# chmod 764 file1<\/p>\n\n\n\n\n\n\n\n
\u00a0\uc18c\uc720\uc790(user)<\/b><\/td>\n\u00a0\uadf8\ub8f9(group)\u00a0<\/b><\/td>\n\u00a0\ub098\uba38\uc9c0(other)\u00a0<\/b><\/td>\n<\/tr>\n
\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n<\/tr>\n
\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n<\/tr>\n
\u00a04+2+1<\/td>\n\u00a04+2\u00a0<\/td>\n\u00a04\u00a0<\/td>\n<\/tr>\n
\n

\u00a0764<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

# rw-r-xr-x<\/p>\n

# chmod 655 file2<\/p>\n\n\n\n\n\n\n\n
\u00a0\uc18c\uc720\uc790(user)<\/b><\/td>\n\u00a0\uadf8\ub8f9(group)\u00a0<\/b><\/td>\n\u00a0\ub098\uba38\uc9c0(other)\u00a0<\/b><\/td>\n<\/tr>\n
\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n<\/tr>\n
\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n<\/tr>\n
\u00a04+2<\/td>\n\u00a04+1\u00a0<\/td>\n\u00a04+1\u00a0<\/td>\n<\/tr>\n
\n

\u00a0655<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

# r-xr–r–<\/p>\n

# chmod 544 file3<\/p>\n\n\n\n\n\n\n\n
\u00a0\uc18c\uc720\uc790(user)<\/b><\/td>\n\u00a0\uadf8\ub8f9(group)\u00a0<\/b><\/td>\n\u00a0\ub098\uba38\uc9c0(other)\u00a0<\/b><\/td>\n<\/tr>\n
\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n<\/tr>\n
\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n<\/tr>\n
\u00a04+1<\/td>\n\u00a04<\/td>\n\u00a04\u00a0<\/td>\n<\/tr>\n
\n

\u00a0544<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

# r——–<\/p>\n

# chmod 400 file4<\/p>\n\n\n\n\n\n\n\n
\u00a0\uc18c\uc720\uc790(user)<\/b><\/td>\n\u00a0\uadf8\ub8f9(group)\u00a0<\/b><\/td>\n\u00a0\ub098\uba38\uc9c0(other)\u00a0<\/b><\/td>\n<\/tr>\n
\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n\u00a0r<\/td>\n\u00a0w<\/td>\n\u00a0x<\/td>\n<\/tr>\n
\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n\u00a04<\/td>\n\u00a02<\/td>\n\u00a01<\/td>\n<\/tr>\n
\u00a04<\/td>\n\u00a00\u00a0<\/td>\n\u00a00\u00a0<\/td>\n<\/tr>\n
\n

\u00a0400<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"\"\u00a0<\/p>\n

11. \ud2b9\ubcc4\ud55c \ud37c\ubbf8\uc158<\/b><\/p>\n

– \ub9ac\ub205\uc2a4\uc758 \uad8c\ud55c\uc740 \uc18c\uc720\uc790, \uadf8\ub8f9 \uc18c\uc720\uc790, \ub098\uba38\uc9c0 \uc0ac\uc6a9\uc790\uc758 \uc138 \ubd80\ub958\ub85c \ub098\ub204\uba70 \uac01\uac01 \ud30c\uc77c\uc5d0 \ub300\ud55c \uad8c\ud55c\uc744 \uc77d\uae30, \uc4f0\uae30, \uc2e4\ud589\uc758 \uc138 \uac00\uc9c0\ub85c \ub098\ud0c0\ub0b8\ub2e4.<\/p>\n

– \uad00\ub9ac\uc790\uc758 \uc785\uc7a5\uc5d0\uc11c \uc2dc\uc2a4\ud15c\uc758 \ubaa8\ub4e0 \uc0c1\ud669\uc744 \uace0\ub824\ud574\uc57c \ud558\uae30 \ub54c\ubb38\uc5d0 \uc774\ub7f0\ud55c \uad8c\ud55c \uc678\uc5d0 \uba87\uac00\uc9c0 \ud2b9\ubcc4\ud55c \uad8c\ud55c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2dc\uc2a4\ud15c \uad00\ub9ac\uc758 \ud6a8\uc728\uc131\uc744 \ub192\uc778\ub2e4.<\/p>\n\n\n\n\n\n\n
\u00a0\ud2b9\ubcc4\ud55c \ud37c\ubbf8\uc158<\/b><\/td>\n\u00a0\uc808\ub300 \ubaa8\ub4dc \ud45c\ud604<\/b><\/td>\n<\/tr>\n
SetUID\u00a0<\/td>\n4000\u00a0<\/td>\n<\/tr>\n
SetGID\u00a0<\/td>\n2000\u00a0<\/td>\n<\/tr>\n
sticky bit<\/td>\n\n

1000\u00a0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1) SetUID(4000) \ud37c\ubbf8\uc158<\/b><\/p>\n

\u00a0– \uc77c\ubc18\uc801\uc73c\ub85c x \uad8c\ud55c\uc73c\ub85c \uc2e4\ud589\ub418\uba74 \uc2e4\ud589\ud55c \uc0ac\uc6a9\uc790\uc758 \uad8c\ud55c\uc73c\ub85c \uc2e4\ud589\ub41c\ub2e4.<\/p>\n

\u00a0– SetUID\uac00 \uc801\uc6a9\ub418\uba74 \ud30c\uc77c\uc774 \uc2e4\ud589\ub418\ub294 \ub3d9\uc548 \uc2e4\ud589\ud55c \uc0ac\uc6a9\uc790\uac00 \uc544\ub2cc \ud30c\uc77c\uc758 \uc18c\uc720\uc790\uc758 \uad8c\ud55c\uc744 \ubd80\uc5ec\ud558\uac8c \ub41c\ub2e4.<\/p>\n

\u00a0– SetUID\ub294 \uc2e4\ud589 \ud30c\uc77c\uc5d0\ub9cc \uba85\uc2dc\ud560 \uc218 \uc788\uc74c<\/p>\n

\u00a0– \uc801\uc6a9\ub418\uba74 \uc18c\uc720\uc790\uc758 \ud37c\ubbf8\uc158 \uac12\uc5d0 \uc2e4\ud589\uad8c\ud55c\uc5d0 x\uac00 \uc544\ub2cc s\ub85c \uba85\uc2dc<\/p>\n

\u25b6 SetUID\uac00 \ubd80\uc5ec\ub41c \ub300\ud45c\uc801\uc778 \uba85\ub839\uc5b4 : passwd<\/b><\/p>\n

\u00a0–\u00a0passwd\ub97c \ubcc0\uacbd\ud558\ub294 \uacfc\uc815\uc5d0\uc11c \/etc\/shadow \ud30c\uc77c\uc758 \ub0b4\uc6a9\uc744 \uc77d\uac70\ub098 \uc4f8 \uc218 \uc788\uc5b4\uc57c \ubcc0\uacbd\ud55c \ud328\uc2a4\uc6cc\ub4dc\ub97c \uae30\ub85d\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 passwd \ud30c\uc77c\uc5d0\ub294 SetUID\uac00 \uac78\ub824 \uc788\uace0 \uc18c\uc720\uc8fc\uac00 root\ub85c \uc124\uc815\ub418\uc5b4 \uc788\uc74c.<\/p>\n

\u00a0– passwd \ud30c\uc77c\uc744 \ubcf4\uba74\uc740 root \uad8c\ud55c\uc73c\ub85c \uc124\uc815\ub418\uc5b4 \uc788\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\ub2e4. \uad00\ub9ac\uc790 \uc678\uc758 \uc77c\ubc18 \uc0ac\uc6a9\uc790\ub4e4\uc774 \uc790\uc2e0\uc758 \ube44\ubc00\ubc88\ud638\ub97c \ubcc0\uacbd\ud560\ub824\uba74 \uad00\ub9ac\uc790 \uad8c\ud55c\uc774 \ud544\uc694\ud558\ub294\ub370 \uc788\ub54c SetUID\ub97c \ubd80\uc5ec\ud568\uc73c\ub85c\uc368 \uc77c\ubc18 \uc0ac\uc6a9\uc790\uac00\u00a0\ud328\uc2a4\uc6cc\ub4dc\ub97c \ubcc0\uacbd\ud560\ub824\uace0 \uc2e4\ud589\ud558\ub294 \ub3d9\uc548 \uc77c\ubc18 \uc0ac\uc6a9\uc790\ud55c\ud14c \uad00\ub9ac\uc790 \uad00\ud55c\uc744 \uc8fc\ub294 \uac83 \uc774\ub2e4. \uc774 \ud6c4 \ub2e4\uc2dc \ud68c\uc218 \ud55c\ub2e4.<\/p>\n

\"\"\u00a0<\/p>\n

\u25b6\u00a0SetUID \uc124\uc815<\/b><\/p>\n

# chmod 4644 file1<\/p>\n

# chmod u+s file2<\/p>\n

\"\"\u00a0<\/p>\n

2) SetGID(2000) \ud37c\ubbf8\uc158<\/b><\/p>\n

\u00a0– SetGID \ud37c\ubbf8\uc158\uc740 SetUID\uc640 \ube44\ub4ef\ud55c \uad8c\ud55c\uc73c\ub85c \ud30c\uc77c\uc774 \uc2e4\ud589\ub418\ub294 \ub3d9\uc548 \uadf8\ub8f9 \uc18c\uc720\uc8fc\uc758 \uad8c\ud55c\uc744 \uac16\uac8c \ub41c\ub2e4.<\/p>\n

\u00a0– \uc2e4\ud589 \ud30c\uc77c \ubfd0\ub9cc \uc544\ub2c8\ub77c \ub514\ub809\ud1a0\ub9ac\uc5d0\ub3c4 \uba85\uc2dc\ub420 \uc218 \uc788\ub2e4.<\/p>\n

\u00a0– \uc801\uc6a9\ub418\uba74 \uadf8\ub8f9 \uc18c\uc720\uc790\uc758 \ud37c\ubbf8\uc158 \uac12\uc5d0 \uc2e4\ud589\uad8c\ud55c\uc5d0 x\uac00 \uc544\ub2cc s\ub85c \uba85\uc2dc<\/p>\n

\"\"<\/p>\n

\u25b6 \ub514\ub809\ud1a0\ub9ac\uc5d0 \uc801\uc6a9\ub420 \uacbd\uc6b0?<\/b><\/p>\n

\u00a0– \uba85\uc2dc\ub41c \ub514\ub809\ud1a0\ub9ac \ud558\uc704\uc5d0 \uc0dd\uc131\ub418\ub294 \ub514\ub809\ud1a0\ub9ac\ub294 \ub3d9\uc77c\ud55c SetGID \uad8c\ud55c\uc744 \uac16\uac8c\ub41c\ub2e4.<\/p>\n

\u00a0– \uc2dc\uc2a4\ud15c\uc5d0 \uc5b4\ub5a4\ud55c \uc0ac\uc6a9\uc790\uac00 SetGID \uad8c\ud55c\uc774 \ubd80\uc5ec\ub41c \ub514\ub809\ud1a0\ub9ac \ub0b4\uc5d0\uc11c \ub514\ub809\ud1a0\ub9ac\ub97c \uc0dd\uc131 \ud558\ub354\ub77c\ub3c4 SetGID \uad8c\ud55c\uc774 \uc801\uc6a9\ub41c \ub514\ub809\ud1a0\ub9ac\uc640 \ub3d9\uc77c\ud55c \uadf8\ub8f9 \uc18c\uc720\uc8fc\uac00 \ub41c\ub2e4.\u00a0<\/p>\n

#chmod u+s dir1<\/p>\n

\u203b \ud558\uc704 \ub514\ub809\ud1a0\ub9ac\ub3c4 \uc801\uc6a9\ub41c\ub2e4\uace0 \ud588\ub294\ub370 \uadf8\ub9bc\uc744 \ubcf4\uba74 \uc54c\ub2e4\uc2dc\ud53c \uc0c1\uc704 \ub514\ub809\ud1a0\ub9ac\ub9cc SetGID\uac00 \uc801\uc6a9 \ub418\uc5c8\ub2e4. \uadf8\ub7fc \uc5b4\ub5a8 \uacbd\uc6b0\uc5d0 \ud558\uc704 \ub514\ub809\ud1a0\ub9ac\ub3c4 \uc801\uc6a9 \ub41c\ub2e4\ub294 \uac83\uc77c\uae4c? \uc544\ub798 \ud14c\uc2a4\ud2b8 \uadf8\ub9bc\uc744 \ubcf4\uba74\uc11c \ud655\uc778\ud574\ubcf4\uc790!<\/p>\n

\"\"<\/p>\n

#chmod g+s dir2<\/b><\/p>\n

\u203b \uc544\ub798 \uadf8\ub9bc\uacfc \uac19\uc774 \ud558\uc704 \ub514\ub809\ud1a0\ub9ac\ub3c4 \uc124\uc815\uc774 \ub420\ub824\uba74\uc740 \uc0c1\uc704 \ub514\ub809\ud1a0\ub9ac\uc5d0 SetGID\uac00 \uc124\uc815\uc774 \ub41c \uc774 \ud6c4\uc5d0 SetGID\uac00 \uc801\uc6a9\ub41c\u00a0\ub514\ub809\ud1a0\ub9ac \uc704\uce58\uc5d0 \ud558\uc704 \ub514\ub809\ud1a0\ub9ac\ub97c \uc0dd\uc131 \ud558\uc600\uc744 \uacbd\uc6b0 \ud558\uc704 \ub514\ub809\ud1a0\ub9ac\ub3c4 SetGID\uac00 \uc801\uc6a9\uc774 \ub41c\ub2e4.\u00a0<\/p>\n

\"\"<\/p>\n

3) Sticky Bit(1000) \ud37c\ubbf8\uc158<\/b><\/p>\n

\u00a0– \ub514\ub809\ud1a0\ub9ac\uc5d0 \ubd80\uc5ec\ub418\ub294 \uad8c\ud55c\uc73c\ub85c \uc801\uc6a9 \uc2dc \ubaa8\ub4e0 \uc0ac\uc6a9\uc790\uac00 \uc77d\uace0, \uc4f0\uace0, \uc0ad\uc81c\uac00 \uac00\ub2a5\ud558\ub2e4.\u00a0\ub2e8, \uc0ad\uc81c\ub294 \uc624\ub974\uc9c0 \uc18c\uc720\uc8fc\ub9cc \uac00\ub2a5\ud558\ub2e4.<\/p>\n

\u00a0– \uad8c\ud55c\uc758 \uc801\uc6a9\ub418\uba74 other\uc758 \ud37c\ubbf8\uc158\uc5d0 \uc2e4\ud589\uad8c\ud55c\uc774 x\uac00 \uc544\ub2cc t\ub85c \uba85\uc2dc\ub41c\ub2e4.<\/p>\n

 <\/p>\n

\u25b6\u00a0\ub300\ud45c\uc801\uc778 Sticky Bit\uac00 \uc801\uc6a9\ub41c \ub514\ub809\ud1a0\ub9ac\ub294 \/tmp\uc640 \/var\/tmp\uac00 \uc788\uc74c<\/b><\/p>\n

\"\"<\/p>\n

\u25b6\u00a0<\/b>Sticky Bit \uc801\uc6a9 \ub418\uc5c8\uc744 \uacbd\uc6b0<\/b>\u00a0<\/p>\n

# su tester : tester \uacc4\uc815\uc73c\ub85c \uc811\uc18d<\/p>\n

# cd \/home : \/home \ub514\ub809\ud1a0\ub9ac\ub85c \uc774\ub3d9<\/p>\n

# ls -l : \/home \ub514\ub809\ud1a0\ub9ac \uc548\uc5d0 \uc788\ub294 \uc790\uc6d0\u00a0\ubc0f tester \ub514\ub809\ud1a0\ub9ac \ud37c\ubbf8\uc158 \ud655\uc778<\/p>\n

# chmod 755 tester : tester \ub514\ub809\ud1a0\ub9ac \ud37c\ubbf8\uc158\uc744 775 \ubcc0\uacbd<\/p>\n

# ls -l : \ubcc0\uacbd\ud55c tester \ub514\ub809\ud1a0\ub9ac \ud37c\ubbf8\uc158 \ud655\uc778<\/p>\n

# cd tester : tester \ub514\ub809\ud1a0\ub9ac\ub85c \uc774\ub3d9<\/p>\n

# ls : tester \ub514\ub809\ud1a0\ub9ac \uc548\uc5d0 \uc788\ub294 \uc790\uc6d0 \ud655\uc778<\/p>\n

# touch file1 : file1\uc774\ub77c\ub294 \ud30c\uc77c \uc0dd\uc131<\/p>\n

# vim file1 : file1\uc774\ub77c\ub294 \ud30c\uc77c \uc548\uc5d0 \ub370\uc774\ud130 \uc785\ub825 (\uc785\ub825 \ub370\uc774\ud130\ub294 \ub2e4\uc74c \uadf8\ub9bc \ud655\uc778)<\/p>\n

# ls -l : file1\uc758 \ud37c\ubbf8\uc158 \ud655\uc778<\/p>\n

# chmod 1777 file1 : file1\uc774\ub77c\ub294 \ud30c\uc77c \ud37c\ubbf8\uc158 \ubcc0\uacbd (Sticky Bit \uc801\uc6a9)<\/p>\n

# ls -l : \ud37c\ubbf8\uc158\uc774 \ubcc0\uacbd\ub41c file1 \ud655\uc778<\/p>\n

# su – : \uad00\ub9ac\uc790 \uacc4\uc815\uc73c\ub85c \uc811\uc18d<\/p>\n

# \uc554\ud638 : \uad00\ub9ac\uc790 \uc554\ud638 \uc785\ub825<\/p>\n

\"\"\u00a0<\/p>\n

# file1\u00a0\uc548\uc5d0 \uc785\ub825\ud55c \ub370\uc774\ud130 \uac12<\/p>\n

\"\"<\/p>\n

# useradd tester2 : tester2\ub77c\ub294 \uacc4\uc815 \uc0dd\uc131<\/p>\n

# su tester2 : tester2 \uacc4\uc815 \uc811\uc18d<\/p>\n

# cd \/home : \/home \ub514\ub809\ud1a0\ub9ac\ub85c \uc774\ub3d9<\/p>\n

# ls -l : home \ub514\ub809\ud1a0\ub9ac \uc548\uc5d0 \uc788\ub294 \uc790\uc6d0 \ud655\uc778<\/p>\n

# cd tester : tester \ub514\ub809\ud1a0\ub9ac\ub85c \uc774\ub3d9<\/p>\n

# ls -l : tester \ub514\ub809\ud1a0\ub9ac \uc548\uc5d0 \uc788\ub294 \uc790\uc6d0 \ud655\uc778<\/p>\n

# rm file1 : \uc0ad\uc81c \uc2dc\ub3c4 ( \ub2e4\ub978 \uacc4\uc815\uc73c\ub85c \uc0ad\uc81c\ub97c \uc2dc\ub3c4 \ud574\ubcf4\uc558\uc9c0\ub9cc \uac70\ubd80 \ub2f9\ud568)<\/p>\n

# vim file1 : \uc218\uc815 \uc2dc\ub3c4 ( \ub2e4\ub978 \uacc4\uc815\uc73c\ub85c \uc218\uc815\uc744 \uc2dc\ub3c4 \ud558\uc600\ub294\ub370 \uacb0\uacfc\ub294 \ub2e4\uc74c \uadf8\ub9bc\uc73c\ub85c \ud655\uc778)<\/p>\n

\"\"<\/p>\n

# file1\uc774\ub77c\ub294 \ud30c\uc77c \uc548\uc5d0 tester2 \uc0ac\uc6a9\uc790\uac00 \ub370\uc774\ud130\ub97c \uc218\uc815 (\uc790\uc138\ud788 \ubcf4\uba74\u00a0\uc22b\uc790\uac00 \uc704\uc544\ub798\ub85c \ubcc0\uacbd \ub41c \uac83\uc744 \uc54c \uc218 \uc788\ub2e4.)<\/p>\n

# wq : \uc800\uc7a5 \ud6c4 \uc885\ub8cc<\/p>\n

\"\"<\/p>\n

# whoami : \uc811\uc18d\ud55c \uacc4\uc815 \ud655\uc778\u00a0<\/p>\n

# su – : \uad00\ub9ac\uc790 \uacc4\uc815\uc73c\ub85c \ub2e4\uc2dc \uc811\uc18d<\/p>\n

# cd \/home\/tester : \/home\/tester \ub514\ub809\ud1a0\ub9ac\ub85c \uc774\ub3d9<\/p>\n

# ls -l : \uc790\uc6d0 \ud655\uc778<\/p>\n

# vim file1 : tester2\uac00 \uc218\uc815\uc5d0 \uc131\uacf5 \ud558\uc600\ub294\uc9c0 \uad00\ub9ac\uc790 \ubaa8\ub4dc\ub85c \uc9c1\uc811 \ud655\uc778<\/p>\n

\"\"\u00a0<\/p>\n

# tester2 \uc0ac\uc6a9\uc790\uc5d0 \uc774\ud574\uc11c \uc218\uc815 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.\u00a0<\/p>\n

\"\"<\/p>\n

\n

[\ucd9c\ucc98]<\/strong>\u00a0<\/span>[\uba85\ub839\uc5b4 chown, chmod] \ud30c\uc77c \uc2dc\uc2a4\ud15c\uc758 \ud37c\ubbf8\uc158 \ubc0f \uc18c\uc720\uad8c<\/span><\/a>|\uc791\uc131\uc790<\/strong>\u00a0<\/span>\uc6c3\ub294\uac1c\ubc1c\uc790<\/span><\/a><\/p>\n<\/div>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

1. \ud37c\ubbf8\uc158(Permission)\uc758 \uc774\ud574\u00a0 \u00a0– \ub9ac\ub205\uc2a4 \uc2dc\uc2a4\ud15c\uacfc \uac19\uc740 \ub2e4\uc911 \uc0ac\uc6a9\uc790 \uc6b4\uc601\uccb4\uc81c\uc5d0\uc11c \ud30c\uc77c\uc774\ub098 \ub514\ub809\ud1a0\ub97c \uc77d\uac70\ub098(read), \uc4f0\uac70\ub098(write), \uc2e4\ud589(execute) \ud558\ub294 \ub4f1\uc758 \ud589\uc704\ub97c \ub9d0\ud568\u00a0 \u00a0– \ud30c\uc77c \uc2dc\uc2a4\ud15c\uacfc \uac19\uc740 \uc790\uc6d0\uc5d0 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub294 \uc790\uaca9 \ub610\ub294 \uc811\uadfc \ud5c8\uac00\ub97c \uc758\ubbf8 \u00a0– \uc77c\ubc18\uc801\uc73c\ub85c \uac01 \ud30c\uc77c\uc740 \uc11c\ub85c \ub2e4\ub978 \uc885\ub958\uc758 \uc561\uc138\uc2a4\ub098 \uc0ac\uc6a9\uc790, \uc0ac\uc6a9\uc790 \uadf8\ub8f9, \ub098\uba38\uc9c0 \uc0ac\uc6a9\uc790\ub4e4\uc5d0\uac8c \ub300\ud574 \uac01\uac01 \ub2e4\ub978 \ud37c\ubbf8\uc158\uc744 \ubd80\uc5ec\ud560 \uc218 \uc788\uc74c. 2. \ud30c\uc77c\uacfc \ub514\ub809\ud1a0\ub9ac\uc758 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12","post","type-post","status-publish","format-standard","hentry","category-about-linux"],"_links":{"self":[{"href":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/12","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=12"}],"version-history":[{"count":2,"href":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/12\/revisions"}],"predecessor-version":[{"id":14,"href":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/12\/revisions\/14"}],"wp:attachment":[{"href":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=12"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=12"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.onepage.co.kr\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=12"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}