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Q.

If a file has read and write permissions for the owner, then the octal representation of the permissions will be

A

1

B

6

C

5

D

3

E

None of the above

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MCQ

1.

The command to count the number of files in the current directory by using pipes, is

A

ls | wc

B

ls -l | wc -l

C

ls | wc -w

D

ls | ws -c

E

None of the above

Discussion

MCQ

2.

The field separator in cut command is specified with

A

#NAME?

B

#NAME?

C

-r option

D

#NAME?

E

None of the above

Discussion

MCQ

3.

Which command is used to change directory to the name beginning with a 'p'?

A

cd p

B

cd p?

C

cd p*

D

cd [p]

E

None of the above

Discussion

MCQ

4.

Which command is used to copy all files having the string chap and any two characters after that to the progs directory?

A

cp chap?? progs

B

cp chap* progs

C

cp chap[12] /progs/*.*

D

cp chap?? /progs/*

E

None of the above

Discussion

MCQ

5.

Which command is used to make all files and sub-directories in the directory (progs) executable by all users?

A

chmod -R a+x progs

B

chmod -R 222 progs

C

chmod -1 a+x progs

D

chmod -x a+x progs

E

None of the above

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