Which of the following command is used to change the permissions of a file?
chperm
chmod
chown
permission
Correct Answer :
B. chmod
The chmod command is used to assign and change the permission of a file.
Related Questions
Which exact command is used to show information about specified interface?
ip show
ip a show
ip b show
ip
Which of the following type of permissions are used for files and directories in the Linux Operating System?
a) Read
b) Write
c) Execute
d) All of the above
Options:
A and B
B and C
A and C
D
Which of the following command are used for compressed files?
a) zcat
b) zmore
c) zless
d) zgip
Options:
A and B
A and C
A, B, and C
A, B, and D
Which of the following directories contains configuration files?
a) /opt
b) /var
c) /boot
d) /etc
Options:
A and B
C and D
A, B, and D
A, B, C, and D
Which of the following redirection operator is used to append the content in a file?
>
<
>>
<>
Which exact command is used, remove write, and execute permission from a file?
chmod w-x
chmod x-w
chmod we
chmod wx
Which of the following command is used to display the calendar?
cal
calendar
calen
cln
Which of the following command is used to configure a public key at the SSH server for a user?
ssh-copy-id
ssh-public-key
ssh-public-id
ssh-copy-key
Which command is used to view the specified lines from the start of a file?
start
head
beg
first
The grep stands for?
Global Regular Expression Print
General Regular Expression Pegging
General Regular Expression Post
Global Regular Expression Post
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 pass control of group membership to another user?
groupuser
gpasswd
grouppasswd
None of the above
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 directory contains the scripts related to service used in the Linux operating system?
/etc/services/
/etc/scripts/
/etc/init.d/
/etc/services/scripts/
What is the range of UIDs is reserved for groups and system accounts?
1-50
51-100
100-999
1000-9999
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 information can be viewed using ifconfig command in the Linux operating system?
a) IP address
b) Mac address
c) MTU
d) All of the above
Options:
A
A and B
A and C
D
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
Which of the following characters are used for wildcards in the Linux operating system?
a) ?
b) *
c) []
d) <>
Options:
A and B
A and C
A, 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
There are the following statements that are given below which of them are correct about the tracepath command in the Linux operating system?
a) It is also used for network troubleshooting.
b) This command requires root privileges.
c) By default, it is installed in the Linux system
d) All of the above
Options:
A and B
B and C
A and C
D
Which exact command is used to disable password for a particular user?
usermod -D
usermod -d
usermod -l
usermod -L
There are the following statements that are given below, which of them are correct about Linux shell?
a) Linux shell is a part of Linux kernel.
b) Linux shell provides an environment to execute commands.
c) Linux shell is used to execute scripts.
d) Linux shell is used to operate GPIO pins in the kernel.
Options:
A and B
B and C
A, B, and C
A, B, C, and D
There are the following statements that are given which of them are correct about Linux commands?
a) In the Linux operating system, a command is an instruction to the system to perform a particular task.
b) Linux commands are case sensitive.
c) All Linux commands are scripts written in python.
d) All of the above
Options:
A and B
A and C
B and C
D
Which exact command is used to change the group of a user in the Linux system?
usermod -g
usermod -g
usermod -c
usermod -c
Which of the following command is used to replace the specific word, for example we want to replace inclusion by exclusion?
echo inclusion | sed 's/in/ex'
echo inclusion | sed 's/ex/in'
echo inclusion | sed 'r/in/ex'
echo inclusion | sed 'R/in/ex'
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
Which command is used to rename the existing group?
rename
rengroup
groupmode
groupmod
Which command is used to know information about a password?
change
knowpass
passinf
info
What is the default UID of root user in the Linux operating system?
0
1
2
3