[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.
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slackbook:filesystem_permissions [2012/10/15 20:16 (UTC)] – [Permissions Overview] fixed minor typo gerardo.zamudio | slackbook:filesystem_permissions [2012/10/15 22:28 (UTC)] (current) – [SUID, SGID, and the Sticky Bit] gerardo.zamudio | ||
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case, the permissions are rwxr-xr-x, the user is root and the group is | case, the permissions are rwxr-xr-x, the user is root and the group is | ||
also root. The permissions section, while grouped together, is really | also root. The permissions section, while grouped together, is really | ||
- | three seperate | + | three separate |
permissions granted to the user that owns the file. The second set of | permissions granted to the user that owns the file. The second set of | ||
three are those granted to the group owner, and the final three are | three are those granted to the group owner, and the final three are | ||
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By adding these values together, we can reach any number between 0 and | By adding these values together, we can reach any number between 0 and | ||
7 and specify all possible permission combinations. For example, to | 7 and specify all possible permission combinations. For example, to | ||
- | grant both read and write privilages | + | grant both read and write privileges |
use the number 6. The number 3 would grant write and execute | use the number 6. The number 3 would grant write and execute | ||
permissions, | permissions, | ||
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group, and //" | group, and //" | ||
adding or removing permissions with the //" | adding or removing permissions with the //" | ||
- | sets can be changed at once by seperating | + | sets can be changed at once by separating |
Line 268: | Line 268: | ||
soon as you look at the two files it modifies. Neither | soon as you look at the two files it modifies. Neither | ||
''/ | ''/ | ||
- | are writeable | + | are writable |
their personal information, | their personal information, | ||
run as root in order to modify those files. | run as root in order to modify those files. | ||
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- | Naturally, being a directory for the storage of temporary files sytem | + | Naturally, being a directory for the storage of temporary files system |
- | wide, ''/ | + | wide, ''/ |
executable by anyone and everyone. Since any user is likely to have a | executable by anyone and everyone. Since any user is likely to have a | ||
file or two stored here at any time, it only makes good sense to | file or two stored here at any time, it only makes good sense to | ||
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**Table 10.5. SUID, SGID, and " | **Table 10.5. SUID, SGID, and " | ||
- | ^Permission | + | ^Permission Type ^Octal Value ^Letter Value| |
|SUID |4 |s| | |SUID |4 |s| | ||
|SGID |2 |s| | |SGID |2 |s| | ||
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<!-- Authors are allowed to give credit to themselves! --> | <!-- Authors are allowed to give credit to themselves! --> | ||
* Originally written by Alan Hicks, Chris Lumens, David Cantrell, Logan Johnson | * Originally written by Alan Hicks, Chris Lumens, David Cantrell, Logan Johnson | ||
- | <!-- * Contrbutions | + | <!-- * Contributions |
<!-- Please do not modify anything below, except adding new tags.--> | <!-- Please do not modify anything below, except adding new tags.--> | ||
<!-- You must also remove the tag-word " | <!-- You must also remove the tag-word " | ||
{{tag> | {{tag> |