laboursonline – MCQs, Mock Tests | Unix/Lunux Unix MCQ Set 02

Which command is used with vi editor scroll half page backward?

1. [Control-d]
2. [Control - u]
3. Control-(c]
4. [Control -P]

✅ Correct Answer: 2

Which command is used to terminate a process?

1. shutdown
2. haltsys
3. cancel
4. kill

✅ Correct Answer: 4

Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it?

1. who | tee user.lst
2. who > user.lst
3. who >> user.lst
4. who < user.lste

✅ Correct Answer: 1

Which command is used to display the top of the file?

1. cat
2. head
3. more
4. grep

✅ Correct Answer: 2

The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has

1. Executable permission only
2. Write and executable permissions
3. Both read and executable permissions
4. Both read and write permissions

✅ Correct Answer: 4

Which of the following commands is used to obtain a list of all files by modification time?

1. ls -1
2. ls -t
3. ls -i
4. ls -R

✅ Correct Answer: 2

Which option will be used with disk free command to include the total amount of disk space in the file system?

1. -t
2. -tt
3. -4
4. -i

✅ Correct Answer: 1

Which command allows you to view your file 24 lines at a time?

1. more
2. pg
3. cat
4. lp

✅ Correct Answer: 2

Which command is used to display the characteristics of a process?

1. pid
2. du
3. ps
4. au

✅ Correct Answer: 3

Which of the following keys is used to overstrike a whole line?

1. R
2. v
3. C
4. u

✅ Correct Answer: 1

Which option will be used with ps command to show the entire command line of the process being run?

1. -4
2. -f
3. -1
4. -2

✅ Correct Answer: 2

Which command is used to list all the files with extension .lst?

1. ls -l *.lst
2. ls lst*
3. ls *.*
4. ls *[lst]

✅ Correct Answer: 1

Which of the following special shell variables is used to process number of the current shell?

1. $!
2. $$
3. $0
4. $*

✅ Correct Answer: 2

Which option will be used with touch command to change the access time?

1. -a
2. -b
3. -t
4. -h

✅ Correct Answer: 1

Which command is used with vi editor to search a pattern in the forward direction?

1. /
2. ?
3. //
4. ??

✅ Correct Answer: 1

Which command is used with vi editor to move the cursor to the left?

1. i
2. j
3. k
4. h

✅ Correct Answer: 4

Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?

1. chmod u+x emp[1-3]
2. chmod 777 emp*
3. chmod u+r ??? emp
4. chmod 222 emp?

✅ Correct Answer: 1

Which command is used to change directory to the name beginning with a 'p'?

1. cd p
2. cd p?
3. cd p*
4. cd [p]

✅ Correct Answer: 3

Which command is used with vi editor to move cursor forward to first occurrence of character 'ch' in the current line?

1. tch
2. tch
3. rch
4. ech

✅ Correct Answer: 2

The command to count the number of files in the current directory by using pipes, is

1. ls | wc
2. ls -l | wc -l
3. ls | wc -w
4. ls | ws -c

✅ Correct Answer: 3

Which symbol is used to separate more than one command in the same command line?

1. $
2. #
3. :
4. ;

✅ Correct Answer: 4

Which of the following commands is used to remove files?

1. erase
2. delete
3. rm
4. dm

✅ Correct Answer: 3

The command chmod 761 note is equivalent to

1. chmod 167 note
2. chmod u=rwx, g=rw, o=x note
3. chmo a =761 note
4. chmod 4=7, g=6,0 =1 note

✅ Correct Answer: 2

Which of the following commands is used to display the filenames in multiple columns?

1. ls
2. ls -1
3. ls -x
4. lc

✅ Correct Answer: 3

The field separator in cut command is specified with

1. -a option
2. -d option
3. -r option
4. -x option

✅ Correct Answer: 2

Which command is used to print a file?

1. print
2. prn
3. pg
4. lp

✅ Correct Answer: 4

Which of the following keys is used to move the cursor to the end of the paragraph.

1. }
2. {
3. |
4. $

✅ Correct Answer: 1

Which of the following set options is used with vi editor to ignore case while searching for patterns?

1. ic
2. ai
3. sm
4. ts

✅ Correct Answer: 1

Which of the following commands is used to view your file 24 lines at a time?

1. pg
2. cat
3. lp
4. /p

✅ Correct Answer: 1

Which of the following directories contain all the Alias created by a user, including his login directory?

1. /tmp
2. /etc
3. /usr
4. /dev

✅ Correct Answer: 3

Which command is used to display and create files?

1. cat
2. vi
3. ed
4. lyrix

✅ Correct Answer: 1

In Bourne shell, which file sets the Unix environment for the user when the logs into his HOME directory.

1. .exrc
2. .profile
3. lastlogin
4. .mbox

✅ Correct Answer: 2

Which of the following commands is used to display the directory attributes rather than its contents?

1. ls -l -d
2. ls -l
3. ls -x
4. ls -F

✅ Correct Answer: 1

Which of the following commands is used to summarize the disk usage?

1. chkdsk
2. fdisk
3. du
4. disk

✅ Correct Answer: 3

The agency that sits between the user and the UNIX system is called the

1. logic
2. profile
3. shell
4. erxc

✅ Correct Answer: 3

Which command is used to remove a directory?

1. rd
2. rmdir
3. dldir
4. rdir

✅ Correct Answer: 2