Which command is used to view the specified lines from the start of a file?
start
head
beg
first
Correct Answer :
B. head
The head command is used to view the specified lines from the start of a file.
Related Questions
Which exact command is used to set subnet mask in the Linux operating system?
ifconfig
ifconfig
ifconfig
ifconfig
Which of the following command is used to move up in the vi editor?
I
h
j
k
Which of the following command is used to display the memory map of processes in the Linux system?
pmap
memmap
map
procmap
Which of the following command is used to copy one word in vi editor?
c
w
cw
yw
What are interfaces are supported by the Linux operating system?
Graphical User Interface
Command Line Interface
Both of the above
None of the above
Which of the following symbol is used to match exactly one character?
$
?
_
+
Which command is used to know information about a password?
change
knowpass
passinf
info
Which option is used to assign permission to directory recursively?
-r
-R
-REC
-rec
Which command is used to querying DNS to get mapping information about the domain name and IP address?
netstate
nslookup
netinfo
domainlookup
Which command is used to get the path of the current directory?
cdir
dir
pwd
pdir
Which of the following operator is used to store the exit code of a previous command?
$?
%$
?&
?@
What status is returned on an error by the updatdb command?
0
1
2
3
Which of the files gets edited when we create a new in Linux operating system?
a) /etc/group
b) /etc/shadow
c) /etc/gshadow
d) /etc/passwd
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 till the end of the line in the vi editor?
$
d$
d0
DD
There are the following statements that are given below, which is correct about the SHELL environment variables in Linux operating system?
This environment variable is used to execute shell scripts.
This environment variable contains the path of shell which is being used by the user.
This environment variable contains the path of the compiler which is used for shell script compilation.
This environment variable is set by default with the username.
Which of the following terminal command is used to send an email?
electronicmail
mailcmd
Which exact command is used to disable password for a particular user?
usermod -D
usermod -d
usermod -l
usermod -L
Which exact command is used to list the files and directories with the size of the file or directory?
ls -l
ls -s
ls -k
ls -h
Which of the following command is not used to extract a compressed file?
untar
tar
gunzip
bunzip2
Which exact command is used to change from the current directory to the previous directory?
cd ..
cd ~
cd -
cd .
The /opt directory comes in which category of directories?
Binary directories
Data directories
Variable directories
Memory directories
In which unit, time passed in sleep command by default?
Seconds
Minutes
Milliseconds
Microseconds
Which command is used to see what permissions will be provided to the newly created file by default?
default
unmask
permissions
defperm
There are the following statements that are given below, which of them are correct about the /sys directory in the Linux operating system?
a) The /sys directory contains kernel related information.
b) The /sys directory contains information about hardware devices.
c) The /sys directory contains user-related information.
d) All the above
Options:
A and B
A and C
B and C
B and 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
How to print non-empty line from the given file using AWK?
awk 'NF > 0'
awk 'NF'
awk 'NE > 0'
awk 'NE'
What are the popular editors are used in the Linux operating system?
a) Vi
b) Vim
c) Gedit
d) Nano
Options:
A and B
C and D
A, B, and C
A, B, C, and D
Which of the following command is used to update the database used by the locate command?
updatelocate
updatelocatedb
locatedb
updatedb
In Linux, the sed stands for?
String Editor
Stream Editor
Simple Editor
Single Editor
Which of the following directories are known as data directories?
a) /srv
b) /media
c) /home
d) /opt
Options:
A and B
A, B, and C
B, C, and D
A, B, C, and D