CHMOD Calculator

Chmod 3121

Chmod 3121 (chmod a+rwx,u-rw,g-rx,o-rw,ug+s,+t,u-s) sets permissions so that, (U)ser / owner can't read, can't write and can 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 −
Execute 1 x − x

Special bits

Setuid 4000 Setgid 2000 Sticky Bit 1000

Extra chmod command options

Output

Modifiers

Octal CHMOD command

$ chmod -R 3121 folder_name

Symbolic CHMOD command

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

Chmod Permissions for chmod 3121

Chmod owner

  • Owner can't read
  • Owner can't write
  • Owner can 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 3121 looks in file listing

For files

After changing a file's mode to 3121, the file appears as:

- --x-wS--t

For folders

After changing a directory's mode to 3121, the folder appears as:

d --x-wS--t