CHMOD CalculatorChmod 400
Chmod 400 (chmod a+rwx,u-wx,g-rwx,o-rwx) sets permissions so that, (U)ser / owner can read, can't write and can't execute. (G)roup can't read, can't write and can't execute. (O)thers can't read, can't write and can't execute.
| Owner Rights (u) | Group Rights (g) | Others Rights (o) | |
|---|---|---|---|
| Read (4) | |||
| Write (2) | |||
| Execute (1) |
Extra chmod command options
Use the octal CHMOD Command:
chmod 400 folder_name
chmod 400 folder_name
OR use the symbolic CHMOD Command:
chmod a+rwx,u-wx,g-rwx,o-rwx folder_name
chmod a+rwx,u-wx,g-rwx,o-rwx folder_name
Chmod Permissions for chmod 400
Chmod owner
- Owner can read
- Owner can't write
- Owner can't execute
Chmod group
- Group can't read
- Group can't write
- Group can't execute
Chmod other
- Others can't read
- Others can't write
- Others can't execute
How chmod 400 looks in file listing
For files
After changing a file's mode to 400 the file's mode will be displayed in Unix style file lsting as: -r--------
For folders
After changing a directory's mode to 400 the folder's mode will be displayed in Unix style file lsting as: dr--------