Which of the following are non-standard directories?
a) /lost+found
b) /var
c) /run
d) /cdrom
Options:
A and B
A and C
A, C, and D
A, B, C, and D
Correct Answer :
C. A, C, and D
Options A, C, and D are non-standard directories.
Related Questions
Which of the following symbol is used to match preceding character N times or more than N times?
(N)
(N,)
{N}
{N,}
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 command is used to delete the character before cursor in the vi editor?
X
x
D
d
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
Why the double ampersands are used in a regular expression?
The double ampersands (&&) are used in regular expression for deleting the specified string.
The double ampersands (&&) are used in regular expression for replacing the specified string.
The double ampersands (&&) are used in regular expression for searching the specified string.
None of the above
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
There are the following options that are given below, which is not a correct Linux distribution?
CentOS
Linux mint
SunOS
OpenSUSE
Which exact command is used to see the calendar of the year 2020?
cal 2020
cal -y 2020
calendar 2020
None of the above
Which of the following command is used to display and manipulate routing tables in the Linux operating system?
routepath
routetable
route
alterroute
Which of the following command is used to save and quit from the vi editor?
:q
:Q
:wq
:q!
Which command is used to view the specified lines from the start of a file?
start
head
beg
first
Which of the following symbol is used to match the empty string at the edge of a word?
\
>
B
Which of the following information can be displayed using the netstat command?
a) Information about programs related to open socket.
b) Information about routing tables.
c) Statistics about all ports
d) All of the above
Options:
A and B
B and C
A and C
D
The grep stands for?
Global Regular Expression Print
General Regular Expression Pegging
General Regular Expression Post
Global Regular Expression Post
Which of the following operator is used to comment lines in a shell script file?
//
\
/**/
#
Which of the following command is used to perform mathematical expression and print output on the terminal?
expr
exp
calexp
calexpr
Which exact command is used to display only matched data of two files?
comm -13
comm -23
comm -12
None of the above
What status is returned on an error by the updatdb command?
0
1
2
3
Which of the following signal is used to PAUSE and STOP the processes?
SIGSTOP
SIGSTP
SIGPAUSE
SIGPS
Which of the following command is used to print the number of lines that exist in the specified file?
awk 'END { print NL }'
awk 'END { print N }'
awk 'END { print NR }'
awk 'END { print NN }'
Which run-level is used with the init command to reboot the system?
0
1
4
6
Which of the following types of arguments or operators are supported by expr command?
a) Plus '+' operator
b) Modulus operator
c) Regular expressions
d) Set of characters in the string
Options:
A and C
A and B
A, B, and C
A, B, C, and D
Which of the following is known as match operator in AWK?
=
!
~
==
Which of the following command is used to display only directories that exist in the current directory?
ls l | grep ^d
ls | grep ^d
ls l | grep #d
ls l | grep *d
What is the full form of ORS in AWK?
Output Record Separator
Output Record Symbol
Output Resumed Symbol
Object Record Separator
Which of the following commands are used to download files from a specified URL?
a) curl
b) wget
c) filedownload
d) All of the above
Options:
A and B
A and C
B and C
D
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 option is used for a basic regular expression in the grep command?
-B
-G
-P
-E
Which exact command is used to change the only modification time of a file in the Linux operating system?
touch -m
touch -k
touch -p
touch l
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