Linux System Administration
User Management
Changing Permissions
This can also be done numerically:
Value
Meaning
0
---
1
--x
2
-w-
3
-wx
4
r--
5
r-x
6
rw-
7
rwx
Consider the following file:
-rwxr-xr-x 1 mlevan mlevan 77701 Aug 13 2004 blah.txt
This means the following two statements are equivalent:
chmod 775 blah.txt chmod g+w blah.txt
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