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- 1. Multiple Choice
Which of the following can be used to know about a command?
ls
man
cat
mkdir
- 2. Multiple Choice
Which of the following commands is used to display the directory attributes
cat
ls
mkdir
cp
- 3. Multiple Choice
Which command is used to remove a file?
remove
del
rm
mv
- 4. Multiple Choice
The following command can list out all the current active logins.
A - whoami
B - who am i
C - who
D - None of the above.
- 5. Multiple Choice
In a system, if 5 people are currently using the vi editor. then the number of corresponding processes will be
1
5
2
0
- 6. Multiple Choice
Which of the following commands can not accept an argument
pwd
ls
mkdir
None of the above
- 7. Multiple Choice
The mv command changes
Only the directory entry
Only the directory entry and i-node
Only the i-node number
None of the above
- 8. Multiple Choice
Unix is a
Single User, Single tasking OS
Single User, Multi-tasking OS
Multi-User, Multi- tasking OS
None
- 9. Multiple Choice
Unix operating system is written in
Ada Language
Perl Language
C Language
Pascal Language
- 10. Multiple Choice
Which command is used to create a file
ls
cat
man
pwd
- 11. Multiple Choice
A process is ___
A - Collection of threads
B - A thread
C - A running program
D- Software
- 12. Multiple Choice
Which key combination can save the written program in vi?
A - qw
B - save
C - wq
D - wq!
- 13. Multiple Choice
Choose option to list files by modification time.
ls –mt
ls –t
ls –a
ls –l
- 14. Multiple Choice
What is the key combination to indicate for most of the UNIX command that input is completed?
Ctrl+d
Ctrl+c
Ctrl+x
None of the above.
- 15. Multiple Choice
What does the following command do?
$ chmod o-x; u-r wine
Execute permission for others is removed
Read permission for others is added
Read permission for user is added
Read permission for user is removed
BOTH A AND d
- 16. Multiple Choice
On a typical UNIX installation kernel resides in the following directory?
/home
/ OR /boot
/image
None of the above.
- 17. Multiple Choice
Out of the following which can place in home directory?
cd
cd ~
cd .
None.
- 18. Multiple Choice
Which symbol will be used with grep command to match the pattern pat at the beginning of a line?
^pat
$pat
pat$
pat^
None of the above
- 19. Multiple Choice
Which command sends the word count of the file infile to the newfile.
$wc infile <newfile
$wc infile >newfile
$wc infile - newfile
$wc infile | newfile
- 20. Multiple Choice
Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?
more [emp][!0-9]
cat emp[!0-9]
cat emp[a-z]
cat emp[x-z]
- 21. Multiple Choice
Which symbol is used to separate more than one command in the same command line?
$
#
:
;
^
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