There are the following options that are given below, which of the following security mechanism are used in the Linux operating system?
a) Authentication
b) Authorization
c) Cryptography
d) All the above
Options:
A and B
B and C
A and C
D
Correct Answer :
D. D
Related Questions
Which of the following command is used to rename the file names that contain text with txt in the current directory?
rename 'r/txt/text' *
rename 'e/text/txt' *
rename 's/txt/text' *
rename 's/text/txt' *
Which of the following configuration file is used by updatedb command?
/etc/db.conf
/etc/locatedb.conf
/etc/updatedb.conf
/etc/update.conf
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 size of MTU?
ifconfig
ifconfig mtu
ifconfig mtu
ifconfig
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
There are the following statements that are given which of them are correct about Linux commands?
a) In the Linux operating system, a command is an instruction to the system to perform a particular task.
b) Linux commands are case sensitive.
c) All Linux commands are scripts written in python.
d) All of the above
Options:
A and B
A and C
B and C
D
Which exact command is used to remove a non-empty directory?
rmdir -removeall
rmdir -n
rmdir -rf
rmdir -ra
Which of the following option is used to mention delimiter in the cut command?
-del
-d
-delmiter
-delm
Which of the following command is used to get information about the File Hierarchy System?
man rfs
man hier
man hfs
man fhs
Which of the following is used to match any set of characters from the specified file in the grep command?
()
{}
[]
##
Which Linux command is used to check disk usage of files and directories?
diskinf
diskuse
du
fileinf
Which of the following command is used to change the permissions of a file?
chperm
chmod
chown
permission
What is the full form of OFS in AWK?
Object Field Separator
Obsolete Field Separator
Officiated Field Separator
Output Field Separator
Which of the following command is used to repeat the last command in the vi editor?
Dot (.)
!
@
$
How can we shut down the system immediately using the shutdown command?
shutdown immediate
shutdown now
shutdown n
shutdown final
Which of the following command is used to know about the swap memory of the system?
swapmem
free
sw
sp
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/
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 display the path of a command in the Linux File System?
pcmd
which
pathcmd
None of the above
Which command is used to rename a file?
rename
ren
name
None of the above
Which of the following symbol is used to match the empty string at the beginning of a word?
\
%
$
(
Which of the following Linux command is used to set values in environment variables?
setval
setenv
export
env
If we want to assign read and execute permission to the file then which number is used in the chmod command to assign permission?
5
6
7
3
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 of the following is the first process executed by the kernel during the booting time of the system?
crond
init
bootp
none of the above
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
Which exact command is used to list the files and directories with group id and owner id instead of their names?
ls -l
ls -n
ls -k
ls -h
How to print lines of a given text file from line number 2 to 4 using AWK?
awk 'NR==2, NR==4 {print NR,$0}'
awk 'NR==2 to NR==4 {print NR,$0}'
awk 'NR==2-4 {print NR,$0}'
awk 'NR==2,4 {print NR,$0}'
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
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