Which command is used to create a new group in the Linux operating system?
creategroup
addgroup
groupadd
groupcreate
Correct Answer :
C. groupadd
The groupadd command is used to create a new group.
Related Questions
There are the following statements that are given below, which of them are correct about the /var directory in the Linux operating system?
a) This directory contains log files.
b) This directory contains cache files.
c) This directory contains spool files.
d) All the above
Options:
A and B
A and C
B and C
D
Which of the following command are used for compressed files?
a) zcat
b) zmore
c) zless
d) zgip
Options:
A and B
A and C
A, B, and C
A, B, and D
There are the following options that are given below, which of them are correct directory types in the Linux operating system?
a) Binary directories
b) Data directories
c) Variable directories
d) Memory directories
Options:
A and B
A and C
A, B, and D
A, B, C, and D
Which option is used to know only system running time using the uptime command?
-p
-u
-l
-k
By default, how many last lines shown by tail command?
5
8
10
12
Which of the following built-in variable is used that contains the name of the specified file in the AWK command?
NAME
FILENAME
FNAME
FN
Which exact command is used to see the permissions of a file in the Linux operating system?
perms
file -perm
ls -l
ls -perm
Which of the following directory contains C language header files?
/usr/cfiles
/usr/include
/usr/headers
/usr/includes
There are the following statements that are given below, which of them are correct about Globbing?
a) The Globbing is used to recognize the wildcard characters and then expand them into path-name.
b) The Globbing is also known as path-name expansion.
c) The File Globbing is not supported by the Linux operating system.
d) All the above
Options:
A and B
A and C
A, B, and C
D
Which command is used to remove a file?
remove
rm
rmfile
delete
Which of the following command is used to add a key to the SSH agent?
agent
ssh-agent
add-key
ssh-add
Which of the following is used to match any set of characters from the specified file in the grep command?
()
{}
[]
##
Which of the following symbol is used to match the empty string if it is not at the edge of a word?
\
>
B
E
There are the following statements that are given below, which of them are correct responsibilities of the kernel?
a) Device management
b) Memory management
c) Creation of user programs
d) Process management
Options:
A and B
A and C
A, B, and C
A, B, and D
Which command is used to pass control of group membership to another user?
groupuser
gpasswd
grouppasswd
None of the above
There are the following statements that are given below, which of them are correct about Linux File Hierarchy System?
a) The Linux File Hierarchy System is also known as Linux Root File System.
b) It is a standard that describes the directory and file structure in the operating system.
c) In different distributions of the Linux operating system, the File Hierarchy system can be a little bit different.
d) It describes where the files are located in the operating system.
Options:
A and B
C and D
B, C, and D
A, B, C, and D
Which of the following command is used to swap two lines in the vi editor?
sl
SL
DDP
ddp
Which of the following operator is used to set and override the permission of a file in chmod command?
+
=
*
-
There are the following statements that are given below, which of them are correct about environment variables in Linux operating system?
a) The environment variables are used to store some values that can be used by the application.
b) The environment variables are used to customize the behavior of the applications.
c) The environment variables can impact the performance of the system.
d) The environment variable used a % symbol for variables.
Options:
A and B
C and D
A, B, and C
B, C, and D
What are the popular editors are used in the Linux operating system?
a) Vi
b) Vim
c) Gedit
d) Nano
Options:
A and B
C and D
A, B, and C
A, B, C, and D
Which exact command is used, when we want to search words in the file that can be ABC1, ABC5, and ABC8?
grep ABC[0-9]
grep ABC(0-9)
grep ABC(0-9)
grep ABC(0-9)
The /opt directory comes in which category of directories?
Binary directories
Data directories
Variable directories
Memory directories
Which exact command is used to kill a running process using process id?
killall
kill -9
kill -p
kill -s
Which of the following types of regular expressions are used in the Linux operating system?
a) Basic Regular Expression
b) Extended Regular Expression
c) Crond Regular Expression
d) Perl Regular Expression
Options:
A and B
A, B, and D
A, B, and C
A, B, C, and D
Which of the following notations are correct for owners of a file?
a) a
b) o
c) u
d) g
Options:
A and B
A, B, and C
A, B, and D
A, B, C, and D
Which of the following option is used in grep command to search specific words from a file by ignoring case?
-a
-i
-c
-ing
There are the following statements that are given below, which of them are correct about Wildcards in the Linux operating system?
a) Wildcards are the string patterns that contain some special characters.
b) Wildcards are used to perform actions on one or more file that uses the same pattern.
c) Linux shell used wildcard characters for globbing.
d) All the above
Options:
A and B
A and C
A, B, and C
D
Which Linux command is used to know, how long a computer has been running?
startup
uptime
startuptime
time
Which of the following command is used to display the path of a command in the Linux File System?
pcmd
which
pathcmd
None of the above
There are the following statements are given below, which of them are the correct about the ps command in the Linux system?
a) This command is used to display information about processes running in the system.
b) This command displays the memory occupied by a system call.
c) This command displays the process id of the running processes.
d) This command displays the name of the running processes.
Options:
A and B
A, B, and C
A, C, and D
A, B, C, and D