Which of the following command is used to add a key to the SSH agent?
agent
ssh-agent
add-key
ssh-add
Correct Answer :
D. ssh-add
The ssh-add is used to add a key to the SSH agent.
Related Questions
A Linux operating system supports?
a) Multitasking
b) Multiprogramming
c) Multiuser
d) Multithreading
Options:
A and C
A, C and D
A, B, and C
A, B, C, and D
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
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 of the following command is used to save and quit from the vi editor?
:q
:Q
:wq
:q!
Which of the following Linux distribution does not follow the File Hierarchy System?
a) Ubuntu
b) GoboLinux
c) NixOS
d) Redhat
Options:
A and B
A and C
B and C
B and D
Which exact command is used to disable password for a particular user?
usermod -D
usermod -d
usermod -l
usermod -L
There are the following statements that are given below, which of them are correct about root directory in Linux?
a) All directories have come inside the root directory in the Linux operating system.
b) The root directory is represented by a forward slash (/).
c) The root directory is represented by a backward slash (/).
d) The root directory is the part of Linux Kernel
Options:
A and B
A and C
A, B, and C
A, B, C, and D
What status is returned on an error by the updatdb command?
0
1
2
3
The /opt directory comes in which category of directories?
Binary directories
Data directories
Variable directories
Memory directories
Which command is used to rename a file?
rename
ren
name
None of the above
Which command is used to print file content in reverse order line wise, it means, the last line will print first and then print the second last line and so on?
reverse
tac
cat
gedit
How to change the normal user to root user using the terminal in the Linux operating system?
Using sudo command
Using su command
Using super command
None of the above
Which of the following is known as match operator in AWK?
=
!
~
==
Which exact command is used to kill a process by name?
killall
kill -n
kill -p
kill -s
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
Which of the following directories contains configuration files?
a) /opt
b) /var
c) /boot
d) /etc
Options:
A and B
C and D
A, B, and D
A, B, C, and D
Which exact command is used to display only matched data of two files?
comm -13
comm -23
comm -12
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
The grep stands for?
Global Regular Expression Print
General Regular Expression Pegging
General Regular Expression Post
Global Regular Expression Post
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 of the following command is used to copy a line in the vi editor?
CC
cc
YY
yy
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 the id command in the Linux operating system?
a) This command describes the user id.
b) This command describes the group id.
c) This command describes the list of groups belongs to the user.
d) All the above
Options:
A and B
A and C
B and C
D
By default, which files store output of the command that executed with nohup utility?
nh.out
nohup.out
nohup.txt
nh.txt
Which of the following is not the inbuilt variable in AWK?
NR
NF
FN
FILENAME
Which of the following redirection operator is used to append the content in a file?
>
<
>>
<>
Which of the following directory contains device files?
/device
/devfile
/dev
/sys
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
In Linux File System, which symbol is used before filename in case of hidden files?
#
$
Dot (.)
@
Which command is used to see what permissions will be provided to the newly created file by default?
default
unmask
permissions
defperm