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Chmod 4340

Chmod 4340 (chmod a+rwx,u-r,g-wx,o-rwx,ug+s,+t,g-s,-t) sets permissions so that, (U)ser / owner can't read, can write and can 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 4340 folder_name
OR use the symbolic CHMOD Command:

chmod -R a+rwx,u-r,g-wx,o-rwx,ug+s,+t,g-s,-t folder_name
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Chmod Permissions for chmod 4340

Chmod owner

  • Owner can't read
  • Owner can write
  • Owner can 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 4340 looks in file listing

For files

After changing a file's mode to 4340 the file's mode will be displayed in Unix style file lsting as: --wsr-----

For folders

After changing a directory's mode to 4340 the folder's mode will be displayed in Unix style file lsting as: d-wsr-----