to view the subdirectories and filesn under the directory
file [Command] Command file file – command displays the type of data file based on rules defined in the file /usr/lib/magic (known as the magicfile). Syntax file... id [Command] Command id id – command displays the user ID, group ID and user groups. Syntax id [options] [username] Options -g prints only the group ID.... unalias [Command] Command unalias Eliminates the abbreviation as defined previously by using the alias. Syntax unalias abbreviation Description command unalias removes the abbreviation as defined previously by...