CHMOD Calculator CHMOD Calculator

Chmod 6561

Chmod 6561 (chmod a+rwx,u-w,g-x,o-rw,ug+s,+t,-t) sets permissions so that, (U)ser / owner can read, can't write and can execute. (G)roup can 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 6561 folder_name
OR use the symbolic CHMOD Command:

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

Chmod Permissions for chmod 6561

Chmod owner

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

Chmod group

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

Chmod other

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

How chmod 6561 looks in file listing

For files

After changing a file's mode to 6561 the file's mode will be displayed in Unix style file lsting as: -r-srwS--x

For folders

After changing a directory's mode to 6561 the folder's mode will be displayed in Unix style file lsting as: dr-srwS--x