Unix OS mcq questions with answer – Set 4

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• Total Number Of Questions : 10
• Passing Marks : 7
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#1. Which of the following commands is known as stream editor?

grep

grep

tr

tr

sed

sed

td

td

#2. What is a shell script?

Group of functions

Group of functions

A file containing a series of commands

A file containing a series of commands

A file containing special symbols

A file containing special symbols

Group of commands

Group of commands

#3. To run the script, we should make it executable first by using _________.

chmod +w

chmod +w

chmod +rwx

chmod +rwx

chmod +x

chmod +x

chmod +r

chmod +r

#4. Which command is used to find out the consumption of a specific directory?

mem

mem

dv

dv

du

du

df

df

#5. Which command is used for acquiring superuser status?

su

su

pu

pu

super

super

admn

admn

#6. Which filter apart from perl, is the most powerful?

awk

awk

grep

grep

cut

cut

sed

sed

#7. To extract specific columns from a file ________ command is used.

cut

cut

pr

pr

head

head

tail

tail

#8. Which of the following cannot be performed by cat command?

Appending files

Appending files

Deleting files

Deleting files

Creating files

Creating files

Displaying files

Displaying files

#9. Which of the following is not an internal command used by mailx?

d

d

N

N

a

a

q

q

#10. What is the default delimiter used by the cut command for cutting fields?

underscore

underscore

space

space

tab

tab

double tab

double tab

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