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Chmod 000

Chmod 000 (chmod a-rwx) sets permissions so that, (U)ser / owner can't read, can't write and can't 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)
Extra chmod command options







Use the octal CHMOD Command:

chmod -R 000 folder_name
OR use the symbolic CHMOD Command:

chmod -R a-rwx folder_name
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Chmod Permissions for chmod 000

Chmod owner

  • Owner can't read
  • Owner can't write
  • Owner can't 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 000 looks in file listing

For files

After changing a file's mode to 000 the file's mode will be displayed in Unix style file lsting as: ----------

For folders

After changing a directory's mode to 000 the folder's mode will be displayed in Unix style file lsting as: d---------