Part 1 - Learning the Shell

Question 1

When we say command line, are we referring to the shell?

Answer 1

yes

Question 2

What is the shell?

Answer 2

A program that takes keyboard commands and passes them to the operating system to carry out.

Question 3

What is the acroynm BASH stand for ?

Answer 3

Bourne Again SHell. Steve Bourne wrote the Unix shell program.

Question 4

What is a terminal emulator?

Answer 4

Give us access to the shell via the GUI.

Question 5

What is the shell prompt?

Answer 5

Appears when shell is ready to accept input.

Question 6

What is the structure of the shell prompt?

Answer 6

username, working directory and a dollar sign.

Question 7

What if the shells prompt ends in #?

Answer 7

The terminal session has super user privileges.

Question 8

How to envoke command histroy?

Answer 8

arrow up

Question 9

How many commands can the most Linux distros history hold?

Answer 9

up to 500

Question 10

Does Crtl-c and Crtl- v work inside a terminal window?

Answer 10

No they dont.

Question 11

What does date command display?

Answer 11

displays dayofweek, month, day and hr:mm:sec timezone and year

Question 12

What does the command df display?

Answer 12

How much disk space is being used and by what

Question 13

How do you end a terminal session?

Answer 13

exit

Question 14

Provide a summary of a shell.

Answer 14

A shell manages the user–system interaction by prompting users for input, interpreting their input, and then handling output from the underlying operating system