Which of the following statements are correct about whois command?
We can get name servers of a website using whois command.
The whois command is used to get domain name and registry information for a website.
Both of the above
None of the above
Correct Answer :
C. Both of the above
Statements 1 and 2 are correct about whois command.
Related Questions
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 commands are external commands in the Linux operating system?
a) cat
b) file
c) help
d) man
Options:
A and B
C and D
A, B, and D
A, B, C, and D
Which of the following command is used to check a Linux command is a built-in shell command or external command?
cmdtype
type
ctype
commandtype
There are the following statements that are given below, which of them are correct about touch command in Linux?
a) It is used to create empty files.
b) It is used to update the timestamp of the existing file.
c) It is used to write formatted data into the file.
d) It is used to view the content of the file.
Options:
A and B
B and C
A, B, and C
A, B, C, and D
Which of the following is not a data directory?
/mnt
/root
/home
/proc
Which of the following command is used to print pending tasks?
ptasks
atq
qtasks
atrm
There are the following commands that are given below, which of them are correct locate command in the Linux operating system?
a) The locate command is also used to search a file.
b) The locate command searches the file into the database.
c) The locate command slower than find command.
d) The locate command search file in MySQL database only.
Options:
A and B
A and C
A, B, and C
A, B, C, and D
Which command is used to know information about a password?
change
knowpass
passinf
info
What are the correct types of file systems used in the Linux operating system?
a) Ext3
b) Ext4
c) JFS
d) XFS
Options:
A and B
C and D
A, B, and C
A, B, C, and D
Which of the following environment variables contains the path of the user's unique id?
UID
USERID
USRID
ID
Which exact command is used to list the files and directories along with hidden files?
ls -l
ls -k
ls -a
ls -n
What is the range of UIDs is reserved for groups and system accounts?
1-50
51-100
100-999
1000-9999
The Linux Kernel is used to?
Manage hardware components
Execute user programs
Save database files
All 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
There are the following statements that are given below, which of them are correct about files in Linux?
a) The file can be a text, image, audio, and video file.
b) A device is also represented as a file in the Linux operating system.
c) A directory is also a file.
d) Disk partitions are also represented as a file.
Options:
A and B
A and C
A, B, C, and D
B, C, and D
Which of the following command is used to schedule tasks in the Linux system?
schedule
stask
at
ats
Which of the following command is used to perform mathematical expression and print output on the terminal?
expr
exp
calexp
calexpr
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
In which year vi editor was developed?
1976
1980
1982
1988
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
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 is used to match any set of characters from the specified file in the grep command?
()
{}
[]
##
There are the following statements that are given below, which of them are correct system libraries in Linux operating system?
a) System libraries are a special program.
b) We can use kernel functionalities using system libraries.
c) System libraries are user programs.
d) System libraries used system calls.
Options:
A and B
B and C
A, B, and D
A, B, and C
What is the full form of AWK?
Active Working Kit
Active Well Kudos
Aho Weinberger Kernighan
Anderson Washington Kernighan
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
Which run-level is used with the init command to halt the system?
0
1
4
6
Which exact command is used to down interface eth0 in the Linux operating system?
ifconfig down eth0
ifdown eth0
down eth0
ifconfig -d eth0
Which option is used in the regular expression to remove a complete line from the output of a file using sed command?
a) zcat
b) zmore
c) zless
d) zgip
Options:
d
del
delete
rem
In the cut command, a delimiter can be?
a) Hyphen
b) Space
c) Slash
d) All of the above
Options:
A
B
C
D
There are the following statements that are given below, which of them are the correct about the service command in the Linux system?
a) The service command is used to start a service by calling the associated script.
b) The service command is used to stop service by calling the associated script.
c) The service command is used to pause a service by calling the associated script.
d) The service command is used to restart a service by calling the associated script.
Options:
A and B
A, B, and D
B, C, and D
A, B, C, and D