CHMOD Calculator CHMOD Calculator

Chmod 6621

Chmod 6621 (chmod a+rwx,u-x,g-rx,o-rw,ug+s,+t,-t) sets permissions so that, (U)ser / owner can 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)
Execute (1)
Extra chmod command options







Use the octal CHMOD Command:

chmod -R 6621 folder_name
OR use the symbolic CHMOD Command:

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

Chmod Permissions for chmod 6621

Chmod owner

  • Owner can 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 6621 looks in file listing

For files

After changing a file's mode to 6621 the file's mode will be displayed in Unix style file lsting as: -rwS-wS--x

For folders

After changing a directory's mode to 6621 the folder's mode will be displayed in Unix style file lsting as: drwS-wS--x