McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Computer Applications (BCA) , Master of Science in Information Technology (MSc IT) , Master of Science in Software Engineering (MSc SE) .
| 51. |
Which of the following command can be used to rename a file in LINUX? |
| A. | ren |
| B. | mv |
| C. | remove |
| D. | change |
| Answer» B. mv | |
| 52. |
What command is used to remove a file? |
| A. | del |
| B. | mv |
| C. | rm |
| D. | remove |
| Answer» C. rm | |
| 53. |
What command is used to display the top of the file? |
| A. | grep |
| B. | more |
| C. | head |
| D. | cat |
| Answer» C. head | |
| 54. |
What command is used to sort the lines of data in a file in reverse order? |
| A. | sort - r |
| B. | st |
| C. | sh |
| D. | sort |
| Answer» A. sort - r | |
| 55. |
What command is used to print a file? |
| A. | lp |
| B. | pg |
| C. | prn |
| D. | |
| Answer» A. lp | |
| 56. |
The command chmod 761 letter is equivalent to |
| A. | chmod 4=7, g = 6, o = 1 letter |
| B. | chmod a = 761 letter |
| C. | chmod u = rwx, g = rw, o = x letter |
| D. | chmod 167 letter |
| Answer» C. chmod u = rwx, g = rw, o = x letter | |
| 57. |
What command is used with vi editor to move forward to the end of a word? |
| A. | c |
| B. | d |
| C. | b |
| D. | e |
| Answer» D. e | |
| 58. |
The IP address are based on |
| A. | 16-bit addresses |
| B. | 32-bit addresses |
| C. | 64-bit addresses |
| D. | 8-bit addresses |
| Answer» B. 32-bit addresses | |
| 59. |
Which daemon is used for the Apache server? |
| A. | apached |
| B. | httpd |
| C. | html |
| D. | shttp |
| Answer» B. httpd | |
| 60. |
Who founded the FSF? |
| A. | Linus Torvalds |
| B. | Richard Stallman |
| C. | Bob Young |
| D. | All of the above |
| Answer» B. Richard Stallman | |
| 61. |
What command is used to copy a file? |
| A. | tar |
| B. | cpio |
| C. | cp |
| D. | copy |
| Answer» C. cp | |
| 62. |
What command is used to display your current working directory? |
| A. | path |
| B. | pwd |
| C. | prompt $p$g |
| D. | dir |
| Answer» B. pwd | |
| 63. |
What command is used with vi editor to move the cursor to the left? |
| A. | h |
| B. | k |
| C. | j |
| D. | i |
| Answer» A. h | |
| 64. |
Which of the following command is used to mount NFS filesystems? |
| A. | nfsmount |
| B. | knfsd |
| C. | mount |
| D. | All of the above |
| Answer» C. mount | |
| 65. |
You just added a new user, kara, to the system. What group is kara added to by default? |
| A. | root |
| B. | kara |
| C. | group |
| D. | user |
| Answer» B. kara | |
| 66. |
Which of the following command lists the last 10 lines of a file? |
| A. | grep |
| B. | tail |
| C. | head |
| D. | cat |
| Answer» B. tail | |
| 67. |
What command is used to terminate a process? |
| A. | kill |
| B. | cancel |
| C. | haltsys |
| D. | shutdown |
| Answer» A. kill | |
| 68. |
What command is used with vi editor to delete three words? |
| A. | 3$d |
| B. | 3 dw |
| C. | 3 x |
| D. | 3 dd |
| Answer» B. 3 dw | |
| 69. |
What command is used to assign only read permission to all three categories of the file'letter'? |
| A. | chmod u + r, g + r, o - x letter |
| B. | chmod ugo = r letter |
| C. | chmod a - rw letter |
| D. | chmod go + r letter |
| Answer» B. chmod ugo = r letter | |
| 70. |
What command is used with file named 'letter' to remove the executable permission from the user and assign read permission to the group and others? |
| A. | chmod go + x, u - x letter |
| B. | chmod g - x, uo + r letter |
| C. | chmod go + r, u + x letter |
| D. | chmod u - x, go + r letter |
| Answer» D. chmod u - x, go + r letter | |
| 71. |
What command is used to assign executable permission to the owner of the file named "letter"? |
| A. | chmod ugo + x letter |
| B. | chmod u + x letter |
| C. | chmod u + w letter |
| D. | chmod g + x letter |
| Answer» B. chmod u + x letter | |
| 72. |
What command is used to summarize the disk usage? |
| A. | disk |
| B. | du |
| C. | fdisk |
| D. | chkdsk |
| Answer» B. du | |
| 73. |
What command is used to list the jobs currently in print queues? |
| A. | lpq |
| B. | lpr |
| C. | lprm |
| D. | lpc |
| Answer» A. lpq | |
| 74. |
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» D. Send error messages from command to a file called /dev/null | |
| 75. |
How do you delete your crontab entry? |
| A. | crontab -d |
| B. | crontab -e |
| C. | crontab -r |
| D. | del -crontab |
| Answer» C. crontab -r | |
| 76. |
How do you create a crontab entry? |
| A. | crontab --create |
| B. | crontab -make |
| C. | crontab -e |
| D. | crontab –c |
| Answer» C. crontab -e | |
| 77. |
How would you display running httpd processes? |
| A. | ps -C httpd |
| B. | ps -d httpd |
| C. | ps -r httpd |
| D. | ps -D httpd |
| Answer» A. ps -C httpd | |
| 78. |
How would you avoid accidentally removing files? |
| A. | rm -i |
| B. | rm -chk |
| C. | rm -a |
| D. | rm -r |
| Answer» A. rm -i | |
| 79. |
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» C. grep 'clothes$' shopping | |
| 80. |
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» C. Runlevel 3 | |
| 81. |
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» B. sort -k 3 shopping | |
| 82. |
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» D. nohup command | |
| 83. |
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» A. Send command's standard output to file1,and its standard error to file2 | |
| 84. |
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» C. Send standard error to the same place as standard output | |
| 85. |
Which command is used to unmount a filesystem? |
| A. | dmount |
| B. | dismount |
| C. | unmount |
| D. | umount |
| Answer» D. umount | |
| 86. |
Which file determines what will be run at each runlevel? |
| A. | /etc/init/runlevels |
| B. | /etc/levels/fstab |
| C. | /etc/fstab |
| D. | /etc/inittab |
| Answer» D. /etc/inittab | |
| 87. |
What is the full path for grub's configuration file |
| A. | /boot/grub/lsof.conf |
| B. | /boot/grub/menu.lst |
| C. | /etc/grub/grub.conf |
| D. | /etc/grub/grub.txt |
| Answer» B. /boot/grub/menu.lst | |
| 88. |
How do you display the kernel release? |
| A. | kernel -r |
| B. | uname -r |
| C. | cat /proc/etc/kernel/release |
| D. | cat /etc/config/kernel/release |
| Answer» B. uname -r | |
| 89. |
What does the permission string rwxr-xr-- correspond with in octal? |
| A. | 742 |
| B. | 754 |
| C. | 724 |
| D. | 624 |
| Answer» B. 754 | |
| 90. |
How do you display your current crontab entry? |
| A. | crontab -display |
| B. | crontab -d |
| C. | list --crontab |
| D. | crontab -l |
| Answer» D. crontab -l | |
| 91. |
How do you see hidden files in your home directory? |
| A. | ls -h |
| B. | ls -la |
| C. | ls -hn |
| D. | ls -R |
| Answer» B. ls -la | |
| 92. |
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» A. Put an & symbol at the end of the command line. | |
| 93. |
What keyboard combination can be used to exit the shell? |
| A. | Ctrl+E |
| B. | Ctrl+C |
| C. | Ctrl+D |
| D. | Ctrl+Z |
| Answer» C. Ctrl+D | |
| 94. |
What is the purpose of the following operator? >> |
| A. | It is used to send the output of one command so it becomes the input of a second command. |
| B. | It is used to send both input and output to the same file. |
| C. | It is used to overwrite the contents of a file. |
| D. | It appends data to a file without overwriting it. |
| Answer» D. It appends data to a file without overwriting it. | |
| 95. |
How would you remove a directory that is not empty? |
| A. | rm -r |
| B. | rm -f |
| C. | rmdir -f |
| D. | rmdir -le |
| Answer» A. rm -r | |
| 96. |
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» D. /proc/cpuinfo | |
| 97. |
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» B. date ; ls -l | |
| 98. |
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» C. .bash_history | |
| 99. |
Which of the following runs the last command you entered? |
| A. | ~! |
| B. | !~ |
| C. | !! |
| D. | .. |
| Answer» C. !! | |
| 100. |
What is the shortest command to take you to your home directory? |
| A. | cd ~ |
| B. | cd $HOME |
| C. | cd |
| D. | . |
| Answer» C. cd | |
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