Which of the following commands is used to create a new user in the Linux operating system?
createuser
adduser
useradd
user
Correct Answer :
C. useradd
The useradd command is used to create a new user in the Linux operating system.
Related Questions
What is the full form of GPL in Linux licensing?
Global Public License
General Private License
General Public License
Global Private License
Which of the following directories that contain the shared libraries in the Linux System?
/sbin
/lib
/bin
/opt
Which directory contains grub configuration file?
/lib
/usr
/boot
/etc
Which of the following are the types of file owners in the Linux Operating System?
a) User
b) Group
c) Other
d) None of the above
Options:
A and B
C and D
A, B, and C
D
There are the following statements that are given below, which of them are the correct about the last command in the Linux system?
a) This command displays the information about the last logged in timing for the user.
b) The last command is used to display the last executed process in the system.
c) This command displays IP address, username, and duration of logging in.
d) The log information is stored in the /var/log/wtmp file.
Options:
A and B
A, B, and C
A, C, and D
A, B, C, and D
Which of the following directories are known as data directories?
a) /srv
b) /media
c) /home
d) /opt
Options:
A and B
A, B, and C
B, C, and D
A, B, C, and D
The grep stands for?
Global Regular Expression Print
General Regular Expression Pegging
General Regular Expression Post
Global Regular Expression Post
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
There are the following statements that are given below, which of them are correct types of files in Linux?
a) Executable file
b) Device file
c) Named pipe file
d) Block file
Options:
A and B
C and D
A, B, and C
A, B, C, and D
Which of the following command is used to get brief information about Linux commands and functions?
info
incmd
whatis
cmddocs
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
What operations are performed when a new user is created?
Creates a new home directory for the user
The ownership and permissions are assigned to the home directory
Both of the above
None of the above
Which exact command is used to change the group of a user in the Linux system?
usermod -g
usermod -g
usermod -c
usermod -c
Which of the following directory contains interrupts related files?
/proc
/dev
/var
/home
Which of the following command is used to delete current line from the file?
dd
r
x
X
What is the default size of MTU in the Linux operating system?
a) cat
b) file
c) help
d) man
Options:
1000
1500
2000
2600
Which exact command is used to change from the current directory to the previous directory?
cd ..
cd ~
cd -
cd .
Which of the following option is used to search a file with inode number using find command?
-inode
-inum
-inod
-in
Which run-level is used with the init command to halt the system?
0
1
4
6
Which Linux command is used to access external storage devices like pen-drive into the Linux file system?
attach
access
mount
umount
Which of the following keyword is used to specify the time of 4pm in at command for scheduling tasks?
breaktime
freetime
midnight
teatime
Which command is used to know information about a password?
change
knowpass
passinf
info
Which exact command is used to display only matched data of two files?
comm -13
comm -23
comm -12
None of the above
There are the following statements that are given below, which of them are correct about GID in the Linux operating system?
a) GID is a group identification number that is used it identify a group in Linux OS.
b) GID is provided by the Linux operating system to the newly created group.
c) GID is provided by the user who created the group in the Linux operating system.
d) GIDs are stored in /etc/group file.
Options:
A and B
A, B, and D
A, B, and C
B, C, and D
Which of the following command is used to print pending tasks?
ptasks
atq
qtasks
atrm
Which of the following symbol is used to match preceding character N times or more than N times?
(N)
(N,)
{N}
{N,}
What is the file system?
The file system is part of the Linux kernel which is used to call boot loader.
A file system is a user program to copy files from one location to another programs.
The file system is part of Linux OS which is used to arrange files and directories.
None of the above
Which command is used to cut a file from one location and paste to the other location?
cut
ct
move
mv
How can we shut down the system by notifying all users?
Using init 0 command
Using init 6 command
Using shutdown command
Using turnoff command
Which of the following directory contains the scripts related to service used in the Linux operating system?
/etc/services/
/etc/scripts/
/etc/init.d/
/etc/services/scripts/