Which Linux command is used to check disk usage of files and directories?
diskinf
diskuse
du
fileinf
Correct Answer :
C. du
The du command is used to check the disk usage of files and directories.
Related Questions
A Linux operating system supports?
a) Multitasking
b) Multiprogramming
c) Multiuser
d) Multithreading
Options:
A and C
A, C and D
A, B, and C
A, B, C, and D
There are the following statements that are given below, which of them are correct about AWK in the Linux operating system?
a) AWK is a scripting language, which is used to perform operations on data and generate reports.
b) The compilation is not required for AWK programs.
c) The compilation is required for AWK programs.
d) We can use logical operators, string functions, and numeric functions in AWK programs.
Options:
A and B
A and D
A, B, and D
A, C, and D
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
In Linux File System, which symbol is used before filename in case of hidden files?
#
$
Dot (.)
@
What is the range of UIDs is reserved for groups and system accounts?
1-50
51-100
100-999
1000-9999
Which command is used to compress a file?
zip
gzip
ezip
mzip
There are the following statements that are given below, which of them are correct about touch command in Linux?
a) It is used to create empty files.
b) It is used to update the timestamp of the existing file.
c) It is used to write formatted data into the file.
d) It is used to view the content of the file.
Options:
A and B
B and C
A, B, and C
A, B, C, and D
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
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 get brief information about Linux commands and functions?
info
incmd
whatis
cmddocs
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
How can we shut down the system immediately using the shutdown command?
shutdown immediate
shutdown now
shutdown n
shutdown final
Which of the following command is used to move one word forward in the vi editor?
b
ww
w
yw
dig stands for?
Domain Information Groper
Domain Instruction Gist
Double Instruction Groper
Double Information Groper
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 symbol is used to run a background process?
#
&
@
$
Which of the following Linux command is used to print all environment variables?
printenv
env
envvars
envs
Which of the following statements are the correct about XXXcomm command?
a) The comm command is used to compare the data of two files.
b) It displays three columns in the output by default.
c) It displays two columns in the output by default.
d) The comm command is used to communicate with the TCP socket.
Options:
A
B
A and B
C and D
Which of the following symbol is used to match the empty string if it is not at the edge of a word?
\
>
B
E
Which of the following symbol is used to match the empty string at the edge of a word?
\
>
B
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
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
Which option is used in sort command, if we want to sort the content of the file based on a specific column number?
-c
-k
-n
-f
There are the following options that are given below, which of them are correct directory types in the Linux operating system?
a) Binary directories
b) Data directories
c) Variable directories
d) Memory directories
Options:
A and B
A and C
A, B, and D
A, B, C, and D
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 }'
If we want to assign read and execute permission to the file then which number is used in the chmod command to assign permission?
5
6
7
3
Which of the following statements are correct about whois command?
We can get name servers of a website using whois command.
The whois command is used to get domain name and registry information for a website.
Both of the above
None of the above
Which of the following is not a data directory?
/mnt
/root
/home
/proc
Which of the following commands are built-in shell commands in the Linux operating system?
a) pwd
b) cd
c) export
d) echo
Options:
A and B
C and D
A, B, and C
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