Chmod Calculator
Visually set Linux/Unix file permissions, get the octal notation, symbolic string, and the exact chmod command to run.
File Permissions
PermissionRead (r)Write (w)Execute (x)Octal
Owner 7
Group 5
Others 5
Symbolicrwxr-xr-x
Status World Readable
chmod 755 myfilechmod -R 755 myfile/Common Presets
How Chmod Permissions Work
Read (4)
Files: Allows viewing the file contents with commands like cat or less.
Directories: Allows listing contents with ls.
Write (2)
Files: Allows modifying, appending to, or deleting the file.
Directories: Allows creating, renaming, or removing files within the directory.
Execute (1)
Files: Allows running the file as a program or shell script.
Directories: Allows entering the directory with cd and accessing its files.