Chmod Calculator
Calculate file permissions with visual grid and presets
Octal
0755
Symbolic
rwxr-xr-x
Command
chmod 0755 <file>
Permission Matrix
| Target | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner | 7 | |||
| Group | 5 | |||
| Others | 5 |
Special Permissions
Set UID
Execute as file owner
Set GID
Execute as file group
Sticky Bit
Only owner can delete
Common Presets
Quick Reference
4 — Read (r)
2 — Write (w)
1 — Execute (x)
7 = r+w+x 6 = r+w 5 = r+x
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