Chmod 4221

Chmod 4221 (chmod a+rwx,u-rx,g-rx,o-rw,ug+s,+t,g-s,-t) sets permissions so that, (U)ser / owner can't read, can write and can't execute. (G)roup can't read, can write and can't execute. (O)thers can't read, can't write and can execute.

Owner Rights (u) Group Rights (g) Others Rights (o)
Read 4
Write 2 w w
Execute 1 x

Extra chmod command options

Output

Modifiers

Octal CHMOD command

$ chmod -R 4221 folder_name

Symbolic CHMOD command

$ chmod -R a+rwx,u-rx,g-rx,o-rw,ug+s,+t,g-s,-t folder_name

Chmod Permissions for chmod 4221

Chmod owner

  • Owner can't read
  • Owner can write
  • Owner can't execute

Chmod group

  • Group can't read
  • Group can write
  • Group can't execute

Chmod other

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

How chmod 4221 looks in file listing

For files

After changing a file's mode to 4221, the file appears as:

- -wS-w---x

For folders

After changing a directory's mode to 4221, the folder appears as:

d -wS-w---x