Which exact command is used to remove a directory with its sub-directories?
rmdir -a
rmdir -p
rmdir -s
rmdir -k
Correct Answer :
B. rmdir -p
The rmdir -p command is used to remove a directory with its sub-directories.
Related Questions
Which of the following command is used to view the content of the compressed file?
cat
gzip
zcat
zipcat
Which exact command is used to display the signal names used in the Linux operating system?
signal -all
kill -p
kill -l
kill -s
Which command is used to remove an existing group?
removegroup
deletegroup
groupdel
grouprmv
What is the extension of compressed file generated by bzip2 command?
.zip2
.bz2
.b2
.z2
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 of the following command is used to know about the swap memory of the system?
swapmem
free
sw
sp
There are the following statements that are given below, which of them are the correct about the last command in the Linux system?
a) This command displays the information about the last logged in timing for the user.
b) The last command is used to display the last executed process in the system.
c) This command displays IP address, username, and duration of logging in.
d) The log information is stored in the /var/log/wtmp file.
Options:
A and B
A, B, and C
A, C, 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
nslookup stands for?
Network System lookup
Network Server lookup
Name Server lookup
Next Server lookup
What is the full form of JFS?
Just File System
Journaled File System
Joint File System
Joker File System
Which of the following terminal command is used to send an email?
electronicmail
mailcmd
What are the basic components of the Linux operating system?
a) Kernel
b) Kernel Modules
c) Shared Libraries
d) User Programs
Options:
A and B
A, B, and C
B, C, and D
A, B, C, and D
What status is returned on an error by the updatdb command?
0
1
2
3
Which of the following command is used to enable the shell expansion?
shell +x
shell -x
set -x
set +
Which command is used to view the specified lines from the start of a file?
start
head
beg
first
Which of the following character is used for execute permissions in the Linux operating system?
e
x
E
None
Which of the following commands are used to view the content of file screen wise?
a) more
b) less
c) cat
d) tac
Options:
A and B
C and D
A and C
B and C
Which symbol is used with the environment variable name?
#
@
&
$
There are the following statements that are given below, which of them are the correct about the uptime command in the Linux system?
a) We can get the current system time using uptime command.
b) We can get the number of users logged in, using uptime command.
c) This command also displays CPU load average.
d) This command also displays the duration for which the computer has been running.
Options:
A and B
B and D
A, B, and D
A, B, C, and D
Which of the following command is used to display the last executed commands list?
lastcmd
last
history
chistory
Which of the following symbol is used to represent the group of characters?
/
\
+
-
What is the range of UIDs is reserved for groups and system accounts?
1-50
51-100
100-999
1000-9999
Which of the following is used to match any set of characters from the specified file in the grep command?
()
{}
[]
##
Which of the following command is used to check a Linux command is a built-in shell command or external command?
cmdtype
type
ctype
commandtype
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
Which of the following directories does not take disk space?
a) /proc
b) /dev
c) /var
d) /home
Options:
A and B
A, B, and C
A, B, and D
A, B, C, and D
There are the following statements that are given below which of them are correct about piping in the Linux operating system?
a) The piping the process which is used to redirect the output of one command to another command as an input.
b) We use the pipe (|) operator to perform piping.
c) The piping is not supported in Linux; it works only in the UNIX operating system.
d) None of the above
Options:
Only A
Only B
A and B
A and C
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
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
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