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MCQ

Q.

Which command is used to display the top of the file?

A

cat

B

head

C

more

D

grep

E

None of the above

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MCQ

1.

Which option will be used with ps command to slow the entire command line of the process being run?

A

-4

B

#NAME?

C

-1

D

-2

E

None of the above

Discussion

MCQ

2.

Which of the following is not a communication command.

A

write

B

mesg

C

mail

D

grep

E

None of the above

Discussion

MCQ

3.

Which of the following commands is used to have a two-way communication with any person who is currently logged in?

A

mail

B

mesg

C

write

D

grep

E

None of the above

Discussion

MCQ

4.

The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has

A

executable permission only

B

write and executable permissions

C

both read and executable permissions.

D

both read and write permissions

E

None of the above

Discussion

MCQ

5.

Which command is used to display all the lines with the string 'sales' from the file empl.lst?

A

cut sales empl.lst

B

/sales > empl.lst

C

grep sales empl.lst

D

cat | /sales > empl.lst

E

None of the above

Discussion

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