Linux -shell and metacharacters

Choose the BEST explaination about ~/ .bash_profile

• It is the online help for Linux command

• It is executed once the user log in and then receives the shell

• It is a database of the installed shell

Choose the function of asterisk (*) metacharacter in BASH shell

• Input redirection

• Output redirection

• File substitution wildcard, one character

• File substitution wildcard, zero or more characters.

Choose WRONG method how to access command-line from desktop

• Search from dash button

• Press Ctrl + Alt+ T

• Search from the start button

• Right-click from desktop

Choose the BEST description about command-line completion

• The program automatically fills in fully typed commands.

• The program automatically fills in partially typed commands.

The useful of command-completion are

• require fewer keystrokes to reach

• long names

• difficult to spell

Choose the section consist of Man Pages. Answer more than 1

• name

• syntax

• description

• option

• folder