Tag: unix

Question 1

Which of the following commands is used to display the directory attributes rather than its contents?

unix

ls -1 -d
ls -1
ls -x
ls -F

Answer

Correct Option: A

Question 2

Which of the following files will displayed by this command cat ch

unix

patch
catch
.ch
All of the above

Answer

Correct Option: D

Question 3

The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:

unix

000
755
744
555

Answer

Correct Option: B

Question 4

If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use

unix

tty ^c
stty intr \^c
stty echoe
stty echo \^a

Answer

Correct Option: B

Question 5

Which of the following is not a communication command.

unix

write
mesg
mail
grep

Answer

Correct Option: D

Question 6

Which of the following keys is used to move the cursor to the end of the paragraph.

unix

}
{
$

Answer

Correct Option: A

Question 7

Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?

unix

cat emp[!0-9]
more [emp][!0-9]
cat emp[x-z]
cat emp[a-z]

Answer

Correct Option: A

Question 8

The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

unix

tee
tr
sort
grep

Answer

Correct Option: A

Question 9

Which command is used to remove a file?

unix

remove
rm
mv
del

Answer

Correct Option: B

Question 10

Which symbol is used to separate more than one command in the same command line?

unix

$
#
:
;

Answer

Correct Option: D

Tag: unix

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