Which command is used to rename the existing group?
rename
rengroup
groupmode
groupmod
Correct Answer :
D. groupmod
The groupmod command is used to rename the existing group.
Related Questions
In Linux File System, which symbol is used before filename in case of hidden files?
#
$
Dot (.)
@
The Linux Kernel is used to?
Manage hardware components
Execute user programs
Save database files
All of the above
Which run-level is used with the init command to reboot the system?
0
1
4
6
Which of the following keyword is used to specify the time of 4pm in at command for scheduling tasks?
breaktime
freetime
midnight
teatime
Which exact command is used to display the signal names used in the Linux operating system?
signal -all
kill -p
kill -l
kill -s
Which of the following command is used to swap two lines in the vi editor?
sl
SL
DDP
ddp
By default, how many last lines shown by tail command?
5
8
10
12
Which command is used to querying DNS to get mapping information about the domain name and IP address?
netstate
nslookup
netinfo
domainlookup
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 of the following is not the correct option used with route command?
add
delete
-net
-host
The /opt directory comes in which category of directories?
Binary directories
Data directories
Variable directories
Memory directories
Which of the following command is used to get information about the File Hierarchy System?
man rfs
man hier
man hfs
man fhs
Which exact command is used to set subnet mask in the Linux operating system?
ifconfig
ifconfig
ifconfig
ifconfig
Which directory contains grub configuration file?
/lib
/usr
/boot
/etc
There are the following statements that are given below, which of them are the correct about the uptime command in the Linux system?
a) We can get the current system time using uptime command.
b) We can get the number of users logged in, using uptime command.
c) This command also displays CPU load average.
d) This command also displays the duration for which the computer has been running.
Options:
A and B
B and D
A, B, and D
A, B, C, and D
Suppose that a text file abc.txt that contains multiple lines, some of the line contains word school. Then how to print only those line who contains school using AWK?
awk '/school/ {print}' abc.txt
awk -check '/school/ {print}' abc.txt
awk -check '/school/ ' abc.txt
None of the above
Which of the following statements are the correct about XXXcomm command?
a) The comm command is used to compare the data of two files.
b) It displays three columns in the output by default.
c) It displays two columns in the output by default.
d) The comm command is used to communicate with the TCP socket.
Options:
A
B
A and B
C and D
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
There are the following statements that are given below, which of them are correct about Linux?
a) Linux is system software.
b) Linux is a multitasking operating system.
c) Linux was developed by Dennis Ritchie
d) Linux is an open-source operating system.
Options:
A and B
B and C
A, C, and D
A, B, 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
Which of the following is used to match any set of characters from the specified file in the grep command?
()
{}
[]
##
Which of the following command is used to switch two characters in vi editor?
sc
xp
xc
xx
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
Which of the following symbol is used to match the empty string if it is not at the edge of a word?
\
>
B
E
Which of the following command is used to know about the swap memory of the system?
swapmem
free
sw
sp
There are the following statements that are given below, which of them is correct about Linux kernel?
The kernel is the main part of the Linux root file system.
The kernel is a core part of OS, which acts as a bridge between hardware and user programs.
The kernel is one kind of shell used by system calls.
None of the above
Which Linux command is used to un-mount the external storage devices from the Linux file system?
unmount
umount
nmount
None of the above
Which Linux command is used to create an encrypted password?
encrypt passwd
secure passwd
openssl passwd
All the above
Which of the following correct tasks that can be done by AWK?
a) We can scan a file line by line using AWK.
b) It is used to transform data files.
c) It is used to perform operations on matched lines.
d) We can produce formatted reports using AWK.
Options:
A and B
A, C, and D
A, B, and D
A, B, C, and D