Octal Modes
This is just a list of octal modes for Linux file permissions. If you know what I’m talking about you may find this useful. If not then never mind
0
—
None
1
–x
Execute
2
-w-
Write
3
-wx
Write/Execute
4
r–
Read
5
r-x
Read/Execute
6
rw-
Read/Write
7
rwx
Read/Write/Execute