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Chmod 4057

Chmod 4057 (chmod a+rwx,u-rwx,g-w,ug+s,+t,g-s,-t) sets permissions so that, (U)ser / owner can't read, can't write and can't execute. (G)roup can read, can't write and can execute. (O)thers can read, can 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 4057 folder_name
OR use the symbolic CHMOD Command:

chmod -R a+rwx,u-rwx,g-w,ug+s,+t,g-s,-t folder_name
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Chmod Permissions for chmod 4057

Chmod owner

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

Chmod group

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

Chmod other

  • Others can read
  • Others can write
  • Others can execute

How chmod 4057 looks in file listing

For files

After changing a file's mode to 4057 the file's mode will be displayed in Unix style file lsting as: ---Sr-xrwx

For folders

After changing a directory's mode to 4057 the folder's mode will be displayed in Unix style file lsting as: d--Sr-xrwx