Linux permission mode calculator, Richard M. Rutkowski

Read, Write, Execute Calculator

Toggle owner, group, and public permissions. Add setuid, setgid, and sticky bits. Convert from numeric mode like 755 or 4755 and back again.

OOwner

Read
4

Write
2

Execute
1

Read
4

Write
2

Execute
1

Read
4

Write
2

Execute
1

setuid
Adds 4

setgid
Adds 2

sticky
Adds 1

3-digit mode

755

Full mode

755

Equivalent symbolic permissions

rwxr-xr-x

owner 7

group 5

public 5

special 0

Click to copy

chmod 755 filename

Read

4

Write

2

Execute

1

Special

setuid=4, setgid=2, sticky=1