Linux Chmod Permissions Guide
Learn what Linux permissions mean in octal and symbolic formats. Detailed security breakdowns for web files, private keys, and shared directories.
Linux Chmod Permissions Reference
- Chmod 755 (rwxr-xr-x)Standard for directories and scripts
- Chmod 644 (rw-r--r--)Standard for regular files
- Chmod 777 (rwxrwxrwx)Full permissions for everyone (insecure)
- Chmod 700 (rwx------)Private owner directory
- Chmod 600 (rw-------)Private secret file
- Chmod 666 (rw-rw-rw-)Read and write for all
- Chmod 400 (r--------)Read-only for owner