Changing File Permissions: chmod

Question 1

The ______ command is used to modify file permissions.

Answer 1

chmod.

Question 2

The first argument to chmod uses a [ugoa]+/-[rwx] syntax to describe how…?

Answer 2

the permissions should be changed.

Question 3

In Linux, permissions of a file are often referred to as..?

Answer 3

the “mode” of the file. (the name chmod is a shortcut for change mode.)

Question 4

The chmod command allows a user to …?

Answer 4

change any permissions associated with a file. (The first argument is composed of sequence of letters specifying the access classes, followed by a plus, minus, or equals sign, followed by another sequence of letters specifying which permission types to change. Andy subsequent arguments specify a list of files to apply the changes to.)