Chmod 4430

Chmod 4430 (chmod a+rwx,u-wx,g-r,o-rwx,ug+s,+t,g-s,-t) sets permissions so that, (U)ser / owner can read, can't write and can't execute. (G)roup can't read, can write and can 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 4430 folder_name
OR use the symbolic CHMOD Command:

chmod -R a+rwx,u-wx,g-r,o-rwx,ug+s,+t,g-s,-t folder_name

Chmod Permissions for chmod 4430

Chmod owner

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

Chmod group

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

Chmod other

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

How chmod 4430 looks in file listing

For files

After changing a file's mode to 4430 the file's mode will be displayed in Unix style file lsting as: -r-S-wx---

For folders

After changing a directory's mode to 4430 the folder's mode will be displayed in Unix style file lsting as: dr-S-wx---