CHMOD Calculator CHMOD Calculator

Chmod 455

Chmod 455 (chmod a+rwx,u-wx,g-w,o-w) 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 execute. (O)thers can 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 455 folder_name
OR use the symbolic CHMOD Command:

chmod -R a+rwx,u-wx,g-w,o-w folder_name

Chmod Permissions for chmod 455

Chmod owner

  • Owner can 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't write
  • Others can execute

How chmod 455 looks in file listing

For files

After changing a file's mode to 455 the file's mode will be displayed in Unix style file lsting as: -r--r-xr-x

For folders

After changing a directory's mode to 455 the folder's mode will be displayed in Unix style file lsting as: dr--r-xr-x