MCQOPTIONS
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MCQOPTIONS
This section includes 746 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
What command is used to save the standard output in a file, as well as display it on theterminal? |
| A. | tee |
| B. | grep |
| C. | cat |
| D. | more |
| Answer» B. grep | |
| 52. |
How many types of sockets are there? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» D. 5 | |
| 53. |
Which command is used to display the operating system name ? |
| A. | os |
| B. | Unix |
| C. | kernel |
| D. | uname |
| Answer» E. | |
| 54. |
The location for subdirectories for local programs and executables for user and administrative commands is: |
| A. | /usr |
| B. | /tmp |
| C. | /opt |
| D. | /mnt |
| Answer» B. /tmp | |
| 55. |
Which option of the command ‘cd’ use the actual filesystem path for cd..and the value ofpwd? |
| A. | -l |
| B. | -L |
| C. | -p |
| D. | -P |
| Answer» E. | |
| 56. |
NFS stands for |
| A. | New file system |
| B. | Network file system |
| C. | Netware file system |
| D. | None of the above |
| Answer» C. Netware file system | |
| 57. |
The shell in the Unix system is the |
| A. | Outer layer of a seed |
| B. | User interface with the operating system |
| C. | Provides a prompt |
| D. | Both (b) and (c) |
| Answer» B. User interface with the operating system | |
| 58. |
An interface is a set of ___________ designed to facilitate interaction between two entities |
| A. | programs |
| B. | instructions |
| C. | rules |
| D. | none of these |
| Answer» C. rules | |
| 59. |
Which command is used to print a file ? |
| A. | |
| B. | ptr |
| C. | lpr |
| D. | none of the above |
| Answer» D. none of the above | |
| 60. |
Which command will be used to match the pattern agarwal, Aggarwal, Agggarwal and agrawal in the file named empl.1st? |
| A. | grep “[aA]99*[ar][ra]wal” empl.1st |
| B. | grepag* empl.1st |
| C. | cutagrawal empl.1st |
| D. | grepag[ra][ar]wal empl.1st |
| Answer» B. grepag* empl.1st | |
| 61. |
Which of the following commands is used to count just the number of lines contained in afile? |
| A. | wc – 1 |
| B. | wc - w |
| C. | wc - c |
| D. | wc - r |
| Answer» B. wc - w | |
| 62. |
UDP stands for |
| A. | User datagram Protocol |
| B. | Uninterrupted data part |
| C. | Uniform data provider |
| D. | None |
| Answer» B. Uninterrupted data part | |
| 63. |
IP address is a |
| A. | Static address |
| B. | Dynamic address |
| C. | Both (a) and (b) |
| D. | None |
| Answer» D. None | |
| 64. |
Which of the following commands is used to count the total number of line, words andcharacters contained in a file? |
| A. | count p |
| B. | wcount |
| C. | wc |
| D. | countw |
| Answer» D. countw | |
| 65. |
The command which transcribes the standard input to the standard output and also makesa copy of the same in a file is |
| A. | tee |
| B. | sort |
| C. | tr |
| D. | grep |
| Answer» D. grep | |
| 66. |
By default, one can mount |
| A. | CDs onto your device as root |
| B. | Floppy disk onto your device as root |
| C. | Pen drive |
| D. | Magnetic tapes |
| Answer» B. Floppy disk onto your device as root | |
| 67. |
Which command is used to concatenate all files beginning with the string ‘emp’ andfollowed by non-numeric characters? |
| A. | catemp{!0-9] |
| B. | more [emp][!0-9] |
| C. | cateemp[x-z] |
| D. | catemp[a-z] |
| Answer» B. more [emp][!0-9] | |
| 68. |
Which command generates possible completions for string according to the and write it tostandard output? |
| A. | compgen |
| B. | complete |
| C. | continue |
| D. | none of the mentioned |
| Answer» B. complete | |
| 69. |
The purpose of the PATH variable is to |
| A. | Show the current directory |
| B. | Show the directory path of a file |
| C. | Tells the shell what directories to search when a command is entered |
| D. | Both A and C |
| Answer» D. Both A and C | |
| 70. |
Which command is used to select those lines where the data lies between 7000 and 7999at the end of the line of file empl.lit. |
| A. | grep “$7…” empl.1st |
| B. | grep “7…^” empl.1st |
| C. | grep “7…$” empl.1st |
| D. | grep ^7… empl.1st |
| Answer» D. grep ^7… empl.1st | |
| 71. |
Which command is used to assign only read permission to all three categories of the file ‘note’? |
| A. | chmod a-rw |
| B. | chmodgo+r note |
| C. | chmodugo = r = note |
| D. | chmodu+r, g+r, o-x note |
| Answer» D. chmodu+r, g+r, o-x note | |
| 72. |
What special character is used to designate the users home directory in the C shell? |
| A. | @ |
| B. | ~ |
| C. | & |
| D. | $ |
| Answer» D. $ | |
| 73. |
The kill system call is used to |
| A. | Send shutdown messages to all by super-user |
| B. | Send a signal to a process |
| C. | Kill processes |
| D. | Stop the processes |
| Answer» C. Kill processes | |
| 74. |
What command is used to list 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] | |
| 75. |
Which option of ls command used to view file inode number ? |
| A. | –l |
| B. | -o |
| C. | –a |
| D. | –i |
| Answer» E. | |
| 76. |
Which command is used to get the kernel version in Linux? |
| A. | uname -r |
| B. | kernel |
| C. | uname -n |
| D. | uname –s |
| Answer» B. kernel | |
| 77. |
Which of the following command is used to count number of lines in a file? |
| A. | wc -l |
| B. | wc -c |
| C. | wc -w |
| D. | None of these |
| Answer» B. wc -c | |
| 78. |
which command is used to print the current working direcotry? |
| A. | pwd |
| B. | echo $PWD |
| C. | Both A and B |
| D. | Only A |
| Answer» D. Only A | |
| 79. |
Which command is used to list all the files in your current directory(including hidden)? |
| A. | ls -l |
| B. | ls -t |
| C. | ls -a |
| D. | ls –i |
| Answer» D. ls –i | |
| 80. |
Which command is used see the list of users who are currently logged-in? |
| A. | login |
| B. | users |
| C. | who |
| D. | which |
| Answer» D. which | |
| 81. |
Which command(s) is/are used to get help about a command in Linux? |
| A. | info |
| B. | man |
| C. | None of these |
| D. | Both a and b |
| Answer» B. man | |
| 82. |
Suppose I am in /etc directoy, after executing cd .(single dot), where am I now? |
| A. | /etc |
| B. | /(root) |
| C. | /home |
| D. | None of these |
| Answer» B. /(root) | |
| 83. |
What communication command provides communication to another user logged on bywriting to the bottom of their terminal? |
| A. | talk |
| B. | write |
| C. | chat |
| D. | tr |
| Answer» B. write | |
| 84. |
What is the right command to save file and exit in Vim? |
| A. | :wq |
| B. | :a |
| C. | :q |
| D. | :q! |
| Answer» B. :a | |
| 85. |
Maximum how long can a Linux filename be? |
| A. | 128 bytes |
| B. | 255 bytes |
| C. | 32 bytes |
| D. | 64 bytes |
| Answer» C. 32 bytes | |
| 86. |
Which directory contains all the files needed to boot the Linux system? |
| A. | /dev |
| B. | /boot |
| C. | /bin |
| D. | none |
| Answer» C. /bin | |
| 87. |
Which of the following is not an editor? |
| A. | expr |
| B. | vi |
| C. | emacs |
| D. | ex |
| Answer» B. vi | |
| 88. |
Which special character should be avoided during naming a file? |
| A. | .(dot) |
| B. | $ |
| C. | _(underscore) |
| D. | -(Hyphen) |
| Answer» E. | |
| 89. |
Which directory in Linux contains all the config file of the system? |
| A. | /etc |
| B. | /var |
| C. | /lib |
| D. | /bin |
| Answer» B. /var | |
| 90. |
Which command is used to copy entire directory? |
| A. | cp -r |
| B. | cp -i |
| C. | cp |
| D. | none of these |
| Answer» B. cp -i | |
| 91. |
In Linux everything stored as a |
| A. | file |
| B. | directory |
| C. | executables |
| D. | None of the above |
| Answer» B. directory | |
| 92. |
Which of the following command can be used as an alternative to echo command? |
| A. | |
| B. | printr |
| C. | printf |
| D. | none of these |
| Answer» D. none of these | |
| 93. |
In a date +format, you add the hour in 24 hours format using: |
| A. | %f |
| B. | %H |
| C. | %F |
| D. | %h |
| Answer» C. %F | |
| 94. |
Which of the following umask settings doesn’t allow execute permission to be set by defaulton directory files |
| A. | 222 |
| B. | 111 |
| C. | 000 |
| D. | 444 |
| Answer» D. 444 | |
| 95. |
mv command can be used to ? |
| A. | Move the file to different directory. |
| B. | Renaming a file |
| C. | Both a and b. |
| D. | Only a. |
| Answer» D. Only a. | |
| 96. |
Which command is used to print the login shell of an user? |
| A. | echo $SHELL |
| B. | echo $LOGIN |
| C. | echo $LSHELL |
| D. | None of the Above |
| Answer» B. echo $LOGIN | |
| 97. |
Which of the following command is used to create file in Linux? |
| A. | touch |
| B. | cat |
| C. | echo |
| D. | All of the above |
| Answer» E. | |
| 98. |
Which command is/are used to remove directory in Linux? |
| A. | rmdir |
| B. | rm -r |
| C. | only b |
| D. | Both a and b |
| Answer» E. | |
| 99. |
Which combination of keys is used to exit from terminal? |
| A. | Ctrl + t |
| B. | Ctrl + z |
| C. | Ctrl + d |
| D. | Ctrl + e |
| Answer» D. Ctrl + e | |
| 100. |
Standard set of functions through which interacts with kernel is defined by ___________ |
| A. | system libraries |
| B. | kernel code |
| C. | compilers |
| D. | utility programs |
| Answer» B. kernel code | |