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Chmod 5440

Chmod 5440 (chmod a+rwx,u-wx,g-wx,o-rwx,ug+s,+t,g-s) sets permissions so that, (U)ser / owner can read, can't write and can't execute. (G)roup can read, can't write and can't execute. (O)thers can't 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 5440 folder_name
OR use the symbolic CHMOD Command:

chmod -R a+rwx,u-wx,g-wx,o-rwx,ug+s,+t,g-s folder_name
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Chmod Permissions for chmod 5440

Chmod owner

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

Chmod group

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

Chmod other

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

How chmod 5440 looks in file listing

For files

After changing a file's mode to 5440 the file's mode will be displayed in Unix style file lsting as: -r-Sr----T

For folders

After changing a directory's mode to 5440 the folder's mode will be displayed in Unix style file lsting as: dr-Sr----T