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Chmod 4031

Chmod 4031 (chmod a+rwx,u-rwx,g-r,o-rw,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't read, can write and can 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 4031 folder_name
OR use the symbolic CHMOD Command:

chmod -R a+rwx,u-rwx,g-r,o-rw,ug+s,+t,g-s,-t folder_name
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Chmod Permissions for chmod 4031

Chmod owner

  • Owner can't 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 execute

How chmod 4031 looks in file listing

For files

After changing a file's mode to 4031 the file's mode will be displayed in Unix style file lsting as: ---S-wx--x

For folders

After changing a directory's mode to 4031 the folder's mode will be displayed in Unix style file lsting as: d--S-wx--x