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
Correct Answer :
D. A, B, and D
Statements A, B, and D are correct about Linux.
Related Questions
Which directory contains grub configuration file?
/lib
/usr
/boot
/etc
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 of the following modes are used to assign permission to the file in the Linux operating system?
Numeric mode
Symbolic mode
Both
None
There are the following commands that are given, which of them are correct about the nohup command in the Linux system?
a) The nohup stands for No Hang-up.
b) The nohup stands for Notify Hang-up.
c) The nohup command is used to keeps the processes running, even the terminal gets close by the user.
d) This command is used to prevent the processes from the SIGHUP signals.
Options:
A and C
B and C
B, C, and D
A, C, and D
Which of the following command is used to perform mathematical expression and print output on the terminal?
expr
exp
calexp
calexpr
Which of the following command is used to get brief information about Linux commands and functions?
info
incmd
whatis
cmddocs
Which of the following mode(s) are used in the vi editor?
Insert mode
Command mode
Both of the above
None of the above
Which of the following statements are the correct about XXXwc command?
a) This command is used to count the lines of a file.
b) This command is used to count the words of a file.
c) This command is used to count the characters of a file.
d) All the above.
Options:
A and B
A and C
B and C
D
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 exact command is used to assign all read, write and execute permission to all owners of a file?
chmod 7
chmod 777
chown 777
chgrp 777
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 command is used to check the access and modification time of a file in Linux?
check
filetimes
state
file
Which exact command is used to list the files and directories along with hidden files?
ls -l
ls -k
ls -a
ls -n
Which of the following command is used to change the owner of a file?
owner
chgown
chown
changeowner
Which of the following command is used to move to the last line in the file?
G
K
Dot (.)
``
Which of the following symbol is used to run a background process?
#
&
@
$
Which of the following command is used to copy one word in vi editor?
c
w
cw
yw
Which of the following operator is used to store the exit code of a previous command?
$?
%$
?&
?@
Which of the following statements are the correct about XXXod command?
a) This command is used to display the content of the file in octal format.
b) This command is used to display the content of the file in hexadecimal format.
c) This command is used to display the content of the file in ASCII format.
d) All the above.
Options:
A and B
A and C
B and C
D
Which of the following command is used to delete scheduled tasks?
atrm
atdl
atdel
rmtask
The scope of an environment variable can be?
Local
Global
Both
None
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 command is used to assign a new name to the Linux built commands?
newcmd
new
alias
aliasname
What is the extension of compressed file generated by bzip2 command?
.zip2
.bz2
.b2
.z2
Which of the following option is used in grep command to search specific words from a file by ignoring case?
-a
-i
-c
-ing
What is the full form of MTU?
Maximum Transmission Unit
Minimum Transmission Unit
Multiple Transmission Unit
Minimum Transactional Unit
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
Which of the following command is not used to extract a compressed file?
untar
tar
gunzip
bunzip2
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