I got tired of looking for what they all meant a couple years ago, so I made a txt file with them, just found it while I was looking for something else. Maybe someone can get something out of this.
CHMOD = change mode // permissions
This applies to a Unix or Unix type based OS. On a windows OS , you'll be changing the permissions ( same thing, just no chmod.) Sorry ☹
U = User / G = Group / W = World
R = Readable / W = Writable / X = Executable / - = No permission
U G W
rwx rwx rwx chmod 777 /filename ~ or path
rwx rwx r-x chmod 775 /filename
rwx r-x r-x chmod 755 /filename
rw- rw- r-- chmod 664 /filename
rw- r-- r-- chmod 644 /filename
If you have to do it this way, you add them up to get the final value. So to read , and write by owner, would be 600 and so on. The total value is 751 for full permissions.
Permissions:
400 read by owner
040 read by group
004 read by anybody (other)
200 write by owner
020 write by group
002 write by anybody
100 execute by owner
010 execute by group
001 execute by anybody
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