Chmod Calculator
Calculate Unix/Linux file permissions. Convert between octal notation (e.g., 755) and symbolic notation (e.g., rwxr-xr-x).
Owner6
Group4
Others4
Owner: 110Group: 100Others: 100
Chmod Calculator - Détails techniques
Unix file permissions control who can read, write, and execute files. Each permission set (owner, group, others) uses 3 bits: read (4), write (2), execute (1). Common values: 644 for files, 755 for executables, 700 for private directories.
Alternative en ligne de commande
# Common chmod examples\nchmod 755 script.sh # rwxr-xr-x (executable)\nchmod 644 file.txt # rw-r--r-- (regular file)\nchmod 600 secrets.env # rw------- (private)\nchmod -R 755 directory/ # Recursive