Answer: A system administrator or the owner of the file can grant permissions using the 'chmod' command. Following symbols are used while writing permissions:

  • '+' for adding permission
  • '-' for denying permission

Permissions also include a single letter which denotes

u : user; g: group; o: other; a: all; r: read; w: write; x: execute.

 This free site is ad-supported. Learn more
​