chmod Calculator
Interactive Unix file permissions calculator
▦ Permission Grid
Owner
---
0
Group
---
0
Others
---
0
> Command Output
$ chmod 000 filename
$ chmod u=,g=,o= filename
📄 File Listing Preview
---------- 1 user group 4096 Mar 13 file.txt
★ Common Presets
⚙ Special Permissions
Setuid
4000
Execute as file owner. Shows as s in owner execute.
Setgid
2000
Execute as file group. New files inherit group. Shows as s in group execute.
Sticky Bit
1000
Only owner can delete files. Common on /tmp. Shows as t in others execute.
💬 Plain English Explanation
- Owner: no permissions.
- Group: no permissions.
- Others: no permissions.
🎭 Umask Calculator
Files (666 - umask)
644
rw-r--r--
Directories (777 - umask)
755