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This section includes 1690 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
401. |
Which of the following runs the last command you entered? |
A. | ~! |
B. | !~ |
C. | !! |
D. | .. |
Answer» D. .. | |
402. |
How do you direct the shell to execute a command in the background? |
A. | Put an & symbol at the end of the command line. |
B. | Key in fg followed by the command name. |
C. | Press Ctrl+c after you have keyed in the command. |
D. | Press Ctrl+d after you have keyed in the command. |
Answer» B. Key in fg followed by the command name. | |
403. |
What is the following syntax used for? command >file1 2>file2 |
A. | Send command's standard output to file1,and its standard error to file2 |
B. | Send command's standard error to file1, and its standard output to file2 |
C. | Send command's standard error to file1, and its standard input to file2 |
D. | Send command's standard input to file1,and its standard output to file2 |
Answer» B. Send command's standard error to file1, and its standard output to file2 | |
404. |
How would you lock the user account named csm099? |
A. | usermod -l csm099 |
B. | usermod -L csm099 |
C. | usermod --l csm099 |
D. | usermod -lock csm099 |
Answer» C. usermod --l csm099 | |
405. |
How do you delete your crontab entry? |
A. | crontab -d |
B. | crontab -e |
C. | crontab -r |
D. | del -crontab |
Answer» D. del -crontab | |
406. |
You need to change some settings on your Apache server. Which is the best tool to use for logging in remotely? |
A. | rsh |
B. | ssh |
C. | rlogin |
D. | telnet |
Answer» C. rlogin | |
407. |
How would you search for the string clothes at the end of the line in a file called shopping? |
A. | grep 'clothes#' shopping |
B. | grep 'clothes!' shopping |
C. | grep 'clothes$' shopping |
D. | grep 'clothes^' shopping |
Answer» D. grep 'clothes^' shopping | |
408. |
Which file is the list of commands you recently entered stored in? |
A. | .bashrc_history |
B. | .history |
C. | .bash_history |
D. | .bash_list_history |
Answer» D. .bash_list_history | |
409. |
Command used to create an empty file. |
A. | mtfile |
B. | touch |
C. | intouch |
D. | file |
Answer» C. intouch | |
410. |
How would you sort a file called shopping on column 3? |
A. | sort -n 3 shopping |
B. | sort -k 3 shopping |
C. | sort -c 3 shopping |
D. | sort -c3 shopping |
Answer» C. sort -c 3 shopping | |
411. |
What command is used to list only the files chap0l, chap02 and chap04? |
A. | ls chap* |
B. | ls chap[124] |
C. | ls - x chap0[124] |
D. | ls chap0[124] |
Answer» D. ls chap0[124] | |
412. |
How would you avoid accidentally removing files? |
A. | rm -i |
B. | rm -chk |
C. | rm -a |
D. | rm -r |
Answer» B. rm -chk | |
413. |
Which is the commmand used to remove or delete file with out confirmation msg ? |
A. | rm-f |
B. | rm |
C. | del |
D. | remove |
Answer» C. del | |
414. |
In which directory are the crontab files for users stored on suse linux? |
A. | /var/spool/cron/tabs |
B. | /usr/lib/cron |
C. | /usr/bin/cron/crontabs |
D. | /var/spool/cron/users/tabs |
Answer» B. /usr/lib/cron | |
415. |
How would you display running httpd processes? |
A. | ps -C httpd |
B. | ps -d httpd |
C. | ps -r httpd |
D. | ps -D httpd |
Answer» B. ps -d httpd | |
416. |
What does the 2>&1 at the end of the following command mean?find / -name fred.txt > names 2>&1 |
A. | Send standard error to a file called &1 |
B. | Append standard error to a file called &1 |
C. | Send standard error to the same place as standard output |
D. | Send the output of the find command to /dev/null |
Answer» D. Send the output of the find command to /dev/null | |
417. |
To run date first, and then ls -l, which of the following is correct? |
A. | date $ ls -l |
B. | date ; ls -l |
C. | date - ls -l |
D. | date > ls -l |
Answer» C. date - ls -l | |
418. |
What is the shortcut to the home directory? |
A. | shift+cd |
B. | cd+enter key |
C. | alt+ctrl+cd |
D. | ctrl+cd |
Answer» C. alt+ctrl+cd | |
419. |
What is the shortest command to take you to your home directory? |
A. | cd ~ |
B. | cd $HOME |
C. | cd |
D. | . |
Answer» D. . | |
420. |
How would you show a list of files and directories that are inside the current directory. |
A. | list |
B. | listfiles |
C. | ls |
D. | lst |
Answer» D. lst | |
421. |
Which runlevel allows full multiuser mode but with no graphical login manager? |
A. | Runlevel 1 |
B. | Runlevel 2 |
C. | Runlevel 3 |
D. | Runlevel 0 |
Answer» D. Runlevel 0 | |
422. |
Which of the following runlevels will reboot the system? |
A. | 0 |
B. | 2 |
C. | 4 |
D. | 6 |
Answer» E. | |
423. |
How do you run a job that will continue running even if you are logged out? |
A. | hup.out command |
B. | hup command |
C. | jobc command |
D. | nohup command |
Answer» E. | |
424. |
What keyboard combination can be used to exit the shell? |
A. | Ctrl+E |
B. | Ctrl+C |
C. | Ctrl+D |
D. | Ctrl+Z |
Answer» D. Ctrl+Z | |
425. |
56. What command can be used to get information about yourself? |
A. | which |
B. | pwd |
C. | i /4 |
D. | who am i |
Answer» E. | |
426. |
Which of the following subdirectory(ies) contains the system configuration scripts. |
A. | /dev |
B. | /bin |
C. | /etc |
D. | /home |
Answer» D. /home | |
427. |
The head command writes the first ____________ lines of a file to screen by default. |
A. | Five |
B. | Twenty |
C. | Ten |
D. | Fifteen |
Answer» D. Fifteen | |
428. |
What does the permission string rwxr-xr-- correspond with in octal? |
A. | 742 |
B. | 754 |
C. | 724 |
D. | 624 |
Answer» C. 724 | |
429. |
How do you display your current crontab entry? |
A. | crontab -display |
B. | crontab -d |
C. | list --crontab |
D. | crontab -l |
Answer» E. | |
430. |
........command is used to show the logger or user |
A. | ? |
B. | who |
C. | no of |
D. | ??? |
Answer» C. no of | |
431. |
To display information about the processor itself - display the contents of which file? |
A. | /bin/cpu |
B. | /dev/cpuinfo |
C. | /etc/cpu |
D. | /proc/cpuinfo |
Answer» E. | |
432. |
"cat" is the command used to |
A. | change directory |
B. | move directory |
C. | come out of shell |
D. | see the contents of file |
Answer» E. | |
433. |
Your PC is unable to boot off the Linux install CD. Which utility should be used to create an installation boot floppy? |
A. | fdisk |
B. | cp |
C. | dd |
D. | tar |
Answer» B. cp | |
434. |
What is the following syntax used for command 2> /dev/null |
A. | Send the output of command to a file called /dev/null |
B. | Discard standard error entirely. |
C. | Append the output of command to a file called /dev/null |
D. | Send error messages from command to a file called /dev/null |
Answer» E. | |
435. |
Which of the following commands can be used to change the group owner of a file? |
A. | chown |
B. | chmod |
C. | chattr |
D. | attrch |
Answer» C. chattr | |
436. |
Which command is used to unmount a filesystem? |
A. | dmount |
B. | dismount |
C. | unmount |
D. | umount |
Answer» E. | |
437. |
Which of the following is the BEST way to set up SSH(Secure Shell) for communicating between System without needing passwords? |
A. | Use ssh-keygen for generating public-private keys. |
B. | Disable passwords on specific accounts that will use SSH. |
C. | Both A and B |
D. | None of the above |
Answer» B. Disable passwords on specific accounts that will use SSH. | |
438. |
... controls the way in which the computer system functionsand provides a means by which users can interact with the computer |
A. | The platform |
B. | The operating system |
C. | Application software |
D. | The motherboard |
Answer» C. Application software | |
439. |
The ....command is used to open windows based applicationdirectly from DOS prompt |
A. | Run |
B. | Start |
C. | Load |
D. | Execute |
Answer» C. Load | |
440. |
... transforms one interface into other interface |
A. | Program |
B. | Software |
C. | Data |
D. | None |
Answer» C. Data | |
441. |
... show characteristics with both hardware and software |
A. | Operating system |
B. | Software |
C. | Data |
D. | None |
Answer» B. Software | |
442. |
CHKDSK command |
A. | Check the disk |
B. | Dos command |
C. | Give information about disk |
D. | All of the above |
Answer» E. | |
443. |
To access properties of an object, the mouse technique to use is __________. |
A. | dragging |
B. | dropping |
C. | right-clicking |
D. | shift-clicking |
Answer» D. shift-clicking | |
444. |
A ....allows you to write on screen with a digital pen andconvert that writing into characters that the PC can process |
A. | Monitor RS |
B. | Tablet PC |
C. | Database manager |
D. | Media Center |
Answer» C. Database manager | |
445. |
What program runs first after computer is booted and loadingGUI? |
A. | Desktop Manager |
B. | File Manager |
C. | Windows Explorer |
D. | Authentication |
Answer» E. | |
446. |
Microsoft Windows provides a graphics application named |
A. | Paint |
B. | Adobe Photoshop |
C. | Jasc Paint Sho |
D. | None of these |
Answer» B. Adobe Photoshop | |
447. |
The My Computer windows include icons that represent the....installed on your computer |
A. | Disk drive |
B. | Memory |
C. | CPU |
D. | All of above |
Answer» B. Memory | |
448. |
ctrl, shift and alt are called __________ keys. |
A. | adjustment |
B. | function |
C. | modifier |
D. | alphanumeric |
Answer» D. alphanumeric | |
449. |
Which of the following is an essential file of a MS-DOS boot disk? |
A. | COMMAND.COM |
B. | START.COM |
C. | TREE.COM |
D. | VER.COM |
Answer» B. START.COM | |
450. |
The primary purpose of an operating system is a ... |
A. | To make the most efficient use of computer hardware |
B. | To allow people to use the computer |
C. | To keep system programmer employed |
D. | To make computer easier to use |
Answer» B. To allow people to use the computer | |