🔐
🐧
Learn Linux File Permissions
Understand how octal and symbolic Unix permissions map to read/write/execute.
Non é necesario iniciar sesión
| Read | Write | Execute | Value | |
|---|---|---|---|---|
| owner | 7 | |||
| group | 5 | |||
| other | 5 |
Octal (editable)
rwxr-xr-x
Symbolic
Command
$ chmod 755 filename
Common presets
Learning Linux tips
🐧
Each digit is the sum of read (4) + write (2) + execute (1). So 7 = rwx, 5 = r-x, 6 = rw-. Toggle the boxes to see it click.
💡
The three digits are owner, group, other — in that order. 750 = owner full, group read+execute, other nothing.
🎯
Edit the octal field directly to reverse-engineer what a permission like 644 actually grants.
Como funciona
1
Entra
Enter your data into the tool above. Everything stays local to your browser.
2
Proceso
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Descargar
Get your result instantly. Nothing is stored after you leave the page — complete privacy.
Por que usar o noso?
✓Completamente gratuíto, sen custos ocultos, nunca
✓Non se precisa ningunha conta, correo electrónico ou inicio de sesión
✓Os ficheiros nunca saen do teu dispositivo
✓Non hai límites de tamaño de ficheiro
✓Non hai marcas de auga en ningunha saída
Also check out…
🌐🔑📜🐳
Correct File Permissions for Web Servers
Set the right permissions for web files and folder
Set SSH Key Permissions
SSH refuses keys with loose permissions. Get the e
Make Shell Scripts Executable
Get the chmod command to make a script runnable wh
File Permissions in Docker Images
Set correct permissions for files copied into Dock