Chmod 2100

Chmod 2100 (chmod a+rwx,u-rw,g-rwx,o-rwx,ug+s,+t,u-s,-t) sets permissions so that, (U)ser / owner can't read, can't write and can execute. (G)roup can't 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 x

Extra chmod command options

Output

Modifiers

Octal CHMOD command

$ chmod -R 2100 folder_name

Symbolic CHMOD command

$ chmod -R a+rwx,u-rw,g-rwx,o-rwx,ug+s,+t,u-s,-t folder_name

Chmod Permissions for chmod 2100

Chmod owner

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

Chmod group

  • Group can't 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 2100 looks in file listing

For files

After changing a file's mode to 2100, the file appears as:

- --x--S---

For folders

After changing a directory's mode to 2100, the folder appears as:

d --x--S---