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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Command ‘cat’ basically does ___ |
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| 52. |
Which filter can be used to extract a/specific/range of character from the lines of text? |
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| 53. |
What is the full form of grep? |
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| 54. |
How can we execute a shell script if execute bit is off for a shell script? |
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| 55. |
Is it compulsory to have the extension ‘sh’ for a shell script? |
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| 56. |
Which command can be used to throw/return a value from the function? |
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| 57. |
What is a here document? |
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| 58. |
How can we capture commands displayable output in a shell variable? |
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| 59. |
Which switch can be used in test expression to determine a file as a regular file? |
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| 60. |
Which command can be used to perform arithmetical computations? |
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| 61. |
How can we get the execution status of the last executed command? |
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| 62. |
What is the value returned by a command after its successful execution? |
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| 63. |
Which shell variable holds the shell script file name? |
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| 64. |
Which command can be used to delete a shell variable? |
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| 65. |
How can we retrieve the value of the shell variable? |
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| 66. |
Which command can be used to alter the file access permissions? |
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| 67. |
What is a shebang line? |
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| 68. |
How can you display line numbers in vi editor? |
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| 69. |
What is yanking w.r.t vi editor? |
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| 70. |
Which alphabet keys can move the cursor equivalent to arrow keys? |
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| 71. |
How to open a file in read only mode using vi editor? |
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| 72. |
What is a process? |
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| 73. |
Which command can be used to print a document on the line printer typically? |
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| 74. |
Name the environment variable which can be used to change the primary shell prompt. |
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| 75. |
What is the meaning of execute permission on a directory? |
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| 76. |
What is difference between absolute and relative path? |
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| 77. |
What is the file descriptor which represents the STDIN. |
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| 78. |
What are the meta-characters which represent to match all and single chracters respectively? |
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| 79. |
Which command can be used to know about the directory path of a command? |
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| 80. |
Which command can give the manual of a command? |
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| 81. |
What does the second column signifies in the output generated by 'who' command? |
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| 82. |
At which company UNIX is designed first. |
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| 83. |
Which programming language is used in the design of UNIX OS. |
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| 84. |
Who designed the UNIX operating system? |
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| 85. |
What is a hidden file? |
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| 86. |
With the ls −l listing from first column output which nth character (out of 10) represents file type? |
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| 87. |
Name 5 variants of linux? |
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| 88. |
Is UNIX open source? |
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| 89. |
Name a command which can be used to restart the machine? |
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| 90. |
Is UNIX/Linux case sensitive from the console terminal end. |
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| 91. |
Name a command which can be used to shut down the system? |
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| 92. |
What are the various ways that you can disconnect/logout with the UNIX server from your console terminal? |
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| 93. |
What is the second column designates in the long listing of ls command’s output? |
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| 94. |
What is the name of the command to change the password? |
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| 95. |
Which program is responsible to bring the login prompt? |
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| 96. |
What is the role of kernel? |
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| 97. |
What is Sun micro systems UNIX called as? |
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| 98. |
What is soft link/symbolic link and which command can be used to create one? |
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| 99. |
Name the commonly used shells on different UNIX/Linux variants. |
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| 100. |
What is shell? |
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