Linux Permission Console
Chmod Calculator
Use this Linux file permissions calculator and chmod calculator to convert rwx choices into octal values, symbolic notation, and copy-ready terminal commands before changing existing files or directories.
Octal
755
Symbolic
rwxr-xr-x
Permission Matrix
Owner, Group, and Public each combine Read, Write, and Execute.
Owner
User account that owns the file.
7
Group
Users that belong to the file group.
5
Public
Everyone else on the system.
5
Special bits
Optional leading chmod digit for setuid, setgid, and sticky bit modes.
0
Detailed guide
Need the assumptions, examples, and troubleshooting?
The calculator stays focused here. The supporting reference has moved to its own page.
Read the Chmod Calculator guide