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
Correct Answer :
D. A, B, C, and D
All options are supported by the Linux operating system.
Related Questions
How can we shut down the system by notifying all users?
Using init 0 command
Using init 6 command
Using shutdown command
Using turnoff command
Which of the following option is used in grep command to search specific words from a file by ignoring case?
-a
-i
-c
-ing
There are the following options that are given below, which of them are not correct environment variables used in the Linux operating system?
USERID
ENV
EDITOR
USER
Which of the following are the inbuilt variables in AWK?
a) FS
b) OFS
c) KFS
d) ORS
Options:
A and B
A, C, and D
A, B, and D
A, B, C, and D
Which command is used to read data from the standard input device and write to the standard output and one or more files?
tea
tei
tie
tee
There are the following statements that are given below, which of them are correct about Globbing?
a) The Globbing is used to recognize the wildcard characters and then expand them into path-name.
b) The Globbing is also known as path-name expansion.
c) The File Globbing is not supported by the Linux operating system.
d) All the above
Options:
A and B
A and C
A, B, and C
D
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 symbol is used to run a background process?
#
&
@
$
What is the extension of compressed file generated by bzip2 command?
.zip2
.bz2
.b2
.z2
Which exact command is used to display only matched data of two files?
comm -13
comm -23
comm -12
None of the above
There are the following statements that are given below, which of them are correct about the /var directory in the Linux operating system?
a) This directory contains log files.
b) This directory contains cache files.
c) This directory contains spool files.
d) All the above
Options:
A and B
A and C
B and C
D
Which of the following modes are used to assign permission to the file in the Linux operating system?
Numeric mode
Symbolic mode
Both
None
Which of the following Linux command is used to remove the value of an environment variable?
removeenv
remove
unset
delete
Which of the following command is used to change the group owner of a file?
group
chgroup
chown
chgrp
Which exact command is used to create a user with a specified name for the home directory, here we will create a user with user1 name and name of the home directory will be MyHome?
useradd -m /MyHome user1
useradd -m -d /MyHome user1
useradd -m -h /MyHome user1
useraddhome /MyHome user1
Which exact command is used to change the size of MTU?
ifconfig
ifconfig mtu
ifconfig mtu
ifconfig
How can we differentiate between file and directory from the output of ls command?
Directories are mentioned in capital letters in the output of ls command.
The d character is used before permissions in the output of ls command.
Both of the above
None of the above
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
Which exact command is used to kill a running process using process id?
killall
kill -9
kill -p
kill -s
How can we see the compression ratio of a file?
Using -c option of gzip command
Using -r option of gzip command
Using -l option of gzip command
Using -cr option of gzip command
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 of the following option is used for a basic regular expression in the grep command?
-B
-G
-P
-E
Which command is used to querying DNS to get mapping information about the domain name and IP address?
netstate
nslookup
netinfo
domainlookup
Which of the following command is used to extract text from binary or executable files in the Linux operating system?
strings
string
str
strbin
Which of the following command is used to compress a directory?
gzip
dzip
tar
rat
Which of the following command is used to print the 3rd column of a specified file?
awk '{print $3}
awk '{print $2}
awk '{print $N2}
awk '{print $N3}
Which of the following command is used to get brief information about Linux commands and functions?
info
incmd
whatis
cmddocs
What is the default UID of root user in the Linux operating system?
0
1
2
3
In Linux, the sed stands for?
String Editor
Stream Editor
Simple Editor
Single Editor
Which of the following command is used to display and manipulate routing tables in the Linux operating system?
routepath
routetable
route
alterroute