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--- os_cp:users_permissions:which_perm_group [2026/03/17 13:57]
jkonczak removed
+++ — (aktualna)
@@ Linia 1: / Linia 1: @@
-<html>
-<style>.wU{font-weight:bold;color:#00ff00}.wH{color:#cdcd00}.wD{color:#0000ee}
-.wP{margin:-2px; border: 2px solid red}
-.wS{border-radius: 8px; margin:-2px; border: 2px solid red}
-.wN{border-radius: 8px; margin:-2px; border: 2px solid #aaa; background:
-linear-gradient(to left top, transparent 47%, #aaa 47%, #aaa 53%, transparent 53%)}
-.wG{border-radius: 8px; margin:-2px; border: 2px solid #aaa; background:
-linear-gradient(to right top, transparent 47%, #aaa 47%, #aaa 53%, transparent 53%)}
-p{margin-top:0}pre{margin-bottom:0}
-</style>
-</html>
-Keep in mind that programs such as ''ls'' or ''stat'' display the permissions
-exactly the same regardless if the user that ran them is the owner or not,
-belongs to the group whose the file is or not. One has to tell apart manually
-which chunk of permissions to look at.
-<html>
-<pre>
-<span class="wU">roo</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> whoami
-<span class="wS">roo</span>
-<span class="wU">roo</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> groups
-bipedal jumping
-<span class="wU">roo</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> ls -l
-total 4
-d<span class="wP">rwx</span>r-x--x 5 <span class="wS">roo</span> jumping 160 Mar 16 20:04 myDir
--<span class="wP">rw-</span>---r-- 1 <span class="wS">roo</span> jumping 249 Mar 16 20:03 someFile
-<span class="wU">roo</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> stat myDir
-  File: myDir
-  Size: 160     Blocks: 0         IO Block: 4096   directory
-Device: 0,30    Inode: 90         Links: 5
-Access: (0<span class="wP">7</span>51/d<span class="wP">rwx</span>r-x--x)  Uid: (1234/  <span class="wS">roo</span>)  Gid: (123/ jumping)
-<span class="wU">roo</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> stat someFile
-  File: someFile
-  Size: 249     Blocks: 8         IO Block: 4096   regular file
-Device: 0,30    Inode: 91         Links: 1
-Access: (0<span class="wP">6</span>04/-<span class="wP">rw-</span>---r--)  Uid: (1234/  <span class="wS">roo</span>)  Gid: (123/ jumping)
-</pre>
-</html>
-The user ''roo'' is the owner of the file, so for the user **only** the first chunk matters.
-<html>
-<pre>
-<span class="wU">tigger</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> whoami
-<span class="wN">tigger</span>
-<span class="wU">tigger</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> groups
-<span class="wS">jumping</span> happy
-<span class="wU">tigger</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> ls -l
-total 4
-drwx<span class="wP">r-x</span>--x 5 <span class="wN">roo</span> <span class="wS">jumping</span> 160 Mar 16 20:04 myDir
--rw-<span class="wP">---</span>r-- 1 <span class="wN">roo</span> <span class="wS">jumping</span> 249 Mar 16 20:03 someFile
-<span class="wU">tigger</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> stat myDir
-  File: myDir
-  Size: 160     Blocks: 0         IO Block: 4096   directory
-Device: 0,30    Inode: 90         Links: 5
-Access: (07<span class="wP">5</span>1/drwx<span class="wP">r-x</span>--x)  Uid: (1234/  <span class="wN">roo</span>)  Gid: (123/ <span class="wS">jumping</span>)
-<span class="wU">tigger</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> stat someFile
-  File: someFile
-  Size: 249     Blocks: 8         IO Block: 4096   regular file
-Device: 0,30    Inode: 91         Links: 1
-Access: (06<span class="wP">0</span>4/-rw-<span class="wP">---</span>r--)  Uid: (1234/  <span class="wN">roo</span>)  Gid: (123/ <span class="wS">jumping</span>)
-</pre>
-</html>
-The user ''tigger'' is **not** the owner of the file,
-but is in group ''jumping'' whose the file is,
-so for the user **only** the middle chunk matters.
-<html>
-<pre>
-<span class="wU">eeyore</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> whoami
-<span class="wN">eeyore</span>
-<span class="wU">eeyore</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> groups
-<span class="wG">quadruped</span> <span class="wG">glum</span>
-<span class="wU">eeyore</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> ls -l
-total 4
-drwxr-x<span class="wP">--x</span> 5 <span class="wN">roo</span> <span class="wG">jumping</span> 160 Mar 16 20:04 myDir
--rw----<span class="wP">r--</span> 1 <span class="wN">roo</span> <span class="wG">jumping</span> 249 Mar 16 20:03 someFile
-<span class="wU">eeyore</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> stat myDir
-  File: myDir
-  Size: 160     Blocks: 0         IO Block: 4096   directory
-Device: 0,30    Inode: 90         Links: 5
-Access: (075<span class="wP">1</span>/drwxr-x<span class="wP">--x</span>)  Uid: (1234/  <span class="wN">roo</span>)  Gid: (123/ <span class="wG">jumping</span>)
-<span class="wU">eeyore</span>@<span class="wH">host</span><span class="wD"> /tmp $</span> stat someFile
-  File: someFile
-  Size: 249     Blocks: 8         IO Block: 4096   regular file
-Device: 0,30    Inode: 91         Links: 1
-Access: (060<span class="wP">4</span>/-rw----<span class="wP">r--</span>)  Uid: (1234/  <span class="wN">roo</span>)  Gid: (123/ <span class="wG">jumping</span>)
-</pre>
-</html>
-The user ''eeyore'' is **not** the owner of the file,
-**neither** he is in group ''jumping'' whose the file is,
-so for the user **only** the last chunk matters.
-~~META:
-language = en
-~~

Jan Kończak

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