Basic Linux Multiple Choice Questions(MCQs)& Answers | Linux Questions & Answers

Questions
61 Which one shows the name of the operating system?
A uname -n
B uname -r
C uname -o
D uname –m

Answer: Option [C]
62 How do you add (append) a file “file1? to the example.tar file
A no you cannot add a file to example.tar
B tar -cvf example.tar file1
C tar -rvf file1 example.tar
D tar -evf file1 example.tar

Answer: Option [C]
63 How to execute ls command inside a vi editor?
A !ls
B :ls
C :!ls
D we can’t execute

Answer: Option [C]
64 Which command gives the first byte where the difference is in the file1 & file2?
A diff
B cmp
C ls -a
D comm

Answer: Option [B]
65 To open a file file1 with cursor at line number 4
A vi +num file1
B vi +set num file1
C vi + “set num” file1
D vi +/se nu file1

Answer: Option [A]
66 sed is a command typically used for
A Perform complex calculations
B Perform FIFO based non-blocking I/O
C Modify/print selective contents of a file
D None of the mentioned

Answer: Option [C]
67 What communication command provides communication to another user logged on by writing to the bottom of their terminal?
A talk
B write
C chat
D transmit

Answer: Option [A]
68 Which screen manipulation command sets the screen back to normal?
A tput cup
B tput smso
C tput rmso
D tput blink

Answer: Option [C]
69 Which command will you use to see the available routes?
A show route
B route status
C netstat -r
D none of the mentioned

Answer: Option [C]
70 Which of the following time stamps need not exist for a file on traditional unix file system
A Access Time
B Modification Time
C Creation Time
D Change Time

Answer: Option [C]
71 Which command is used to set limits on file size
A fsize
B flimit
C ulimit
D usize

Answer: Option [C]
72 Which option of rmdir command will remove all directories a, b, c if path is a/b/c
A –b
B –o
C –p
D –t

Answer: Option [C]
73 Which represents the user home directory
A /
B .
C ..
D ~

Answer: Option [D]
74 If a file is removed in Unix using ‘rm’ then
A The file can be recovered by a normal user
B The file cannot be recovered by a user
C The file can be fully recovered provided the sytem is not rebooted
D The file will be moved to /lost+found directory and can be recovered only by administrator’s intervention

Answer: Option [B]
75 Executing the ‘cd ..’ command when at the root level causes
A Error message indicating the user can’t access beyond the root level
B Behavior is unix-flavor dependent
C Nothing happens
D Results in changing to the ‘home’ directory

Answer: Option [D]
76 How do you rename file “new” to file “old”?
A mv new old
B move new old
C cp new old
D rn new old

Answer: Option [A]
77 What command is used to copy files and directories?
A copy
B cp
C rn
D cpy

Answer: Option [B]
78 When mv f1 f2 is executed which file’s inode is freed?
A f1
B f2
C new inode will be used
D implementation dependent

Answer: Option [B]
79 Any file’s attribute information is stored in which structure on the disk
A Inode
B Data blocks
C File blocks
D Directory file

Answer: Option [A]
80 By default if any regular file is created, the number of link is displayed as 1 ?
A True
B False
C May be true or false
D Can't be determined

Answer: Option [A]
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