Chmod 404

Chmod 404 (chmod a+rwx,u-wx,g-rwx,o-wx) 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 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 -R 404 folder_name
OR use the symbolic CHMOD Command:

chmod -R a+rwx,u-wx,g-rwx,o-wx folder_name

Chmod Permissions for chmod 404

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 read
  • Others can't write
  • Others can't execute

How chmod 404 looks in file listing

For files

After changing a file's mode to 404 the file's mode will be displayed in Unix style file lsting as: -r-----r--

For folders

After changing a directory's mode to 404 the folder's mode will be displayed in Unix style file lsting as: dr-----r--