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Computer Science - Unix

Exercise : Unix - Section 1
26.
Which command will be used with vi editor to insert text to left of cursor?
s
S
a
i
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
In vi editor, forward search is performed using the command.
:pat
?pat
/pat
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Which of the following special shell variables is used to process number of the last background job?
$!
$#
$0
$*
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Which option will be used with ps command to show the entire command line of the process being run?
-4
-f
-1
-2
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Which of the following command addresses all users who are currently hooked on?
write
mail
wall
mesg
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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