Linux Permissions
| rwxrwxrwx | 777 | Read, Write and Execute permissions for all users. |
| rwxr-xr-x | 755 | Read and Execute permissions for all users. The file’s owner also has Write permission. |
| rwxr-x - - - | 750 | Read and Execute permissions for the files owner and the group; The file’s owner also has Write permission. Users who are not the file’s owner or members of the group have no access to the file. |
| rwx- - - - - - | 700 | Read, Write and Execute permissions for the files owner only; All others have no access. |
| rw-rw-rw- | 666 | Read and Write permissions for all users. No execute permissions to anyone. |
| rw-rw-r- - | 664 | Read and Write permission to the owner and group. Read only permissions to all others. |
| rw-rw- - - - | 660 | Read and Write permissions to the owner and group. No world permissions. |
| rw-r- -r- - | 644 | Read and Write permission to the owner. Read only permissions to all others. |
| rw-r- - - - - | 640 | Read and Write permission to the owner. Read only permission to the group. No permissions to others. |
| rw- - - - - - - | 600 | Read and Write Permission to the owner. No permission to anyone else. |
| r- - - - - - - - | 400 | Read Permission to the owner. No permission to anyone else. |
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This entry was posted on Tuesday, November 22nd, 2005 at 10:03 pm
You can also choose to read Linux Viruses, Trojans, Worms and Exploits, which is the previous entry, or Know a Geek? ThinkGeek!, the next entry.
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November 23rd, 2005 at 1:02 am
stay away from 666 its the devil!!!
Seriously though thanks for the little chart will have to add it to my del.icio.us links for reference when a linux geek like me needs it 
Thanks
Jeff
teknokool.net
November 30th, 2005 at 11:10 pm
Hey was wondering…. how do I set permanent permissions for ttyS0? rite now i need to su root then chmod 666 /dev/ttyS0. Is there anyway to automate it at boot? THX!