Chmod calculator

Common modes

• 644Owner can read and write, everyone else can read. Normal files.
• 755Owner can do anything, everyone else can read and run. Scripts, programs and folders.
• 600Only the owner can read and write. Private keys and secrets.
• 700Only the owner can do anything. Private folders and scripts.
• 664Owner and group can read and write, others can read. Shared project files.
• 775Owner and group can do anything, others can read and run. Shared folders.
• 777Everyone can do everything. Avoid this: anyone on the system can change the file.
• 1777Everyone can add files, but only owners can delete their own. Shared folders like /tmp.

1. Octal755Copy
2. Symbolicrwxr-xr-xCopy
3. As ls shows it-rwxr-xr-xCopy
4. Commandchmod 755 fileCopy
5. Command, symbolicchmod u=rwx,g=rx,o=rx fileCopy