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
Correct Answer :
C. Using shutdown command
The shutdown command is used to shut down the system by notifying all users.
Related Questions
Which of the following commands are used to display the information about the Linux commands?
a) man
b) info
c) infocmd
d) All the above
Options:
A and B
A, B, and C
A, C, and D
A, B, C, and D
There are the following statements that are given below which of them are correct about traceroute in the Linux operating system?
a) It is a network troubleshooting command which is used to trace the number of hops is required for packets to reach the destination.
b) This command requires root privileges.
c) By default, it is not installed in the Linux system
d) All of the above
Options:
A and B
B and C
A and C
D
There are the following statements that are given below, which of them are correct about the Linux File System?
a) File System is a layer in the Linux operating system, which is used to control the management of storage data.
b) It provides the arrangement of files in the disk storage.
c) It is used to manage information about files like name, size, creation, and modification time.
d) Linux File System is the software that runs only on Intel architecture.
Options:
A and B
C and D
A, B, and C
A, B, C, and D
Which of the following Linux command is used to transfer files to the remote computer?
cp
copy
ssh-copy
scp
Which exact command is used to down interface eth0 in the Linux operating system?
ifconfig down eth0
ifdown eth0
down eth0
ifconfig -d eth0
Which of the following statements are the correct about XXXsed command?
a) The sed command is used to display modified data on the console screen, actual data in the file remain the same.
b) The sed command is used to modify the data of a file permanently.
c) The regular expressions are used to display modified data of a file in the sed command.
d) The sed command does not use regular expressions.
Options:
A and C
A and D
B and C
B and D
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
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
There are the following statements that are given below, which of them are correct about GID in the Linux operating system?
a) GID is a group identification number that is used it identify a group in Linux OS.
b) GID is provided by the Linux operating system to the newly created group.
c) GID is provided by the user who created the group in the Linux operating system.
d) GIDs are stored in /etc/group file.
Options:
A and B
A, B, and D
A, B, and C
B, C, and D
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 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 /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 commands are external commands in the Linux operating system?
a) cat
b) file
c) help
d) man
Options:
A and B
C and D
A, B, and D
A, B, C, and D
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/
The /opt directory comes in which category of directories?
Binary directories
Data directories
Variable directories
Memory directories
What is the full form of GPL in Linux licensing?
Global Public License
General Private License
General Public License
Global Private License
Which of the following command is used to print pending tasks?
ptasks
atq
qtasks
atrm
Which command is used to remove a file?
remove
rm
rmfile
delete
Which of the following operator is used to comment lines in a shell script file?
//
\
/**/
#
Which command is used to cut a file from one location and paste to the other location?
cut
ct
move
mv
There are the following statements that are given below, which of them are correct about root directory in Linux?
a) All directories have come inside the root directory in the Linux operating system.
b) The root directory is represented by a forward slash (/).
c) The root directory is represented by a backward slash (/).
d) The root directory is the part of Linux Kernel
Options:
A and B
A and C
A, B, and C
A, B, C, and D
Which of the following directories that contain the executable binary files that require root privileges to perform tasks?
/sbin
/lib
/bin
/opt
Which of the following command is used to perform mathematical expression and print output on the terminal?
expr
exp
calexp
calexpr
Suppose that a text file abc.txt that contains multiple lines, some of the line contains word school. Then how to print only those line who contains school using AWK?
awk '/school/ {print}' abc.txt
awk -check '/school/ {print}' abc.txt
awk -check '/school/ ' abc.txt
None of the above
Which exact command is used to set subnet mask in the Linux operating system?
ifconfig
ifconfig
ifconfig
ifconfig
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 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}'
Which of the following redirection operator is used to append the content in a file?
>
<
>>
<>
Which of the following types of encodings are used by the strings command?
a) 16-bit little endian
b) 16-bit big endian
c) 7-bit byte ASCII
d) None of the above
Options:
A and B
B and C
A, B, and C
D
Which of the following option is used to search a file with inode number using find command?
-inode
-inum
-inod
-in