PROBLEM 4: General Purpose Commands - 2

1. history command displays the log of recently used commands.

a) True

b) False

Answer:

2. Which command is used by the user to change their login password in UNIX?

a) man

b) reset

c) passwd

d) cp

Answer:

3. Which command handles a character stream by duplicating its input?

a) tree

b) tee

c) tty

d) ls

Answer: .

4. We can use man command for displaying the documentation of man itself.

a) True

b) False

Answer:

5. When backspace doesnt work to erase characters, we can use _____

a) ctrl-f

b) ctrl-h

c) ctrl-c

d) ctrl-u

Answer:

6. For interrupting a command, we can use _____

a) ctrl-f

b) esc

c) ctrl-h

d) ctrl-c

Answer:

7. Ctrl-S stops scrolling of screen output and ________

a) locks terminal

b) delete a character

c) locks keyboard

d) delete a line

Answer:

8. Which control unlocks the keyboard?

a) ctrl-u

b) ctrl-c

c) ctrl-z

d) ctrl-q

Answer:

9. Which command is used for killing a line?

a) ctrl-k

b) del

c) esc

d) ctrl-u

Answer: