Which exact command is used to change the group of a user in the Linux system?
usermod -g
usermod -g
usermod -c
usermod -c
Correct Answer :
A. usermod -g
The 1st command is the correct command to change the group of a user in the Linux system.
Related Questions
Who was developed the vi editor?
Bill joy
James gosling
Andy Bechtolseim
Scott G. McNealy
Which of the following symbol is used to match preceding character N times or more than N times?
(N)
(N,)
{N}
{N,}
Which exact command is used to change from the current directory to the previous directory?
cd ..
cd ~
cd -
cd .
Which of the following command is used to know about the swap memory of the system?
swapmem
free
sw
sp
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)
Which of the following statements are the correct about grep command?
a) This command is used to filter the content of the file.
b) This command is not used to filter the content of the file.
c) We can search the specified word in the file using grep command.
d) There is no grep command that exists in the Linux operating system.
Options:
Only A
Only A
A and B
A and C
Which exact command is used to kill a running process using process id?
killall
kill -9
kill -p
kill -s
Which of the following command is used to configure a public key at the SSH server for a user?
ssh-copy-id
ssh-public-key
ssh-public-id
ssh-copy-key
Which of the following directories that contain the executable binary files that require root privileges to perform tasks?
/sbin
/lib
/bin
/opt
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
What is the full form of GPL in Linux licensing?
Global Public License
General Private License
General Public License
Global Private License
Why the double ampersands are used in a regular expression?
The double ampersands (&&) are used in regular expression for deleting the specified string.
The double ampersands (&&) are used in regular expression for replacing the specified string.
The double ampersands (&&) are used in regular expression for searching the specified string.
None of the above
Which of the following option is used to mention delimiter in the cut command?
-del
-d
-delmiter
-delm
There are the following statements that are given below which of them are correct about the ss command in the Linux operating system?
a) The ss command is the replacement for the netstat command.
b) It is faster than the netstat command.
c) We can display all UDP and TCP socket connections using ss command.
d) The ss can display all TCP socket connections only.
Options:
A and B
A and C
A, B, and C
A, B, and D
Which of the following redirection operator is used to append the content in a file?
>
<
>>
<>
Which of the following characters are used for wildcards in the Linux operating system?
a) ?
b) *
c) []
d) <>
Options:
A and B
A and C
A, B, and C
D
Which exact command is used to see the permissions of a file in the Linux operating system?
perms
file -perm
ls -l
ls -perm
There are the following statements that are given below, which of them are correct about Linux shell?
a) Linux shell is a part of Linux kernel.
b) Linux shell provides an environment to execute commands.
c) Linux shell is used to execute scripts.
d) Linux shell is used to operate GPIO pins in the kernel.
Options:
A and B
B and C
A, B, and C
A, B, C, and D
What are interfaces are supported by the Linux operating system?
Graphical User Interface
Command Line Interface
Both of the above
None of the above
Which of the following command is used to update the database used by the locate command?
updatelocate
updatelocatedb
locatedb
updatedb
What are the basic components of the Linux operating system?
a) Kernel
b) Kernel Modules
c) Shared Libraries
d) User Programs
Options:
A and B
A, B, and C
B, C, and D
A, B, C, and D
Which command is used to remove a file?
remove
rm
rmfile
delete
Which Linux command is used to create an encrypted password?
encrypt passwd
secure passwd
openssl passwd
All the above
In Linux File System, which symbol is used before filename in case of hidden files?
#
$
Dot (.)
@
Which of the following command is used to display the memory map of processes in the Linux system?
pmap
memmap
map
procmap
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 exact command is used to change the only modification time of a file in the Linux operating system?
touch -m
touch -k
touch -p
touch l
Which of the following option is used to search a file with inode number using find command?
-inode
-inum
-inod
-in
There are the following options that are given below, which of them are correct Linux distributions?
a) Red Hat
b) Ubuntu
c) Arch Linux
d) Fedora
Options:
A and B
A and D
B and D
A, B, C, and D
Which of the following keyword is used to specify the time of 4pm in at command for scheduling tasks?
breaktime
freetime
midnight
teatime