Linux MCQs – LINUX commands – Part 2
Multiple choice questions and answers (MCQs) on Linux focuses on “Managing of users accounts and groups” to prepare for exams, interviews, and certifications, such as Redhat exam, CompTIA exam, Ubuntu / SuSE certification, LPI certification exam. These MCQs will easily prepare anyone to pass their Linux test.
1. Which command is used to identify the file type?
A Type
B File
C Finfo
D Info
$ file * home.htm : HTML document text contact.htm : HTML document text picture.gif : GIF image data, version 89a, 107 x 18 notes.txt : ASCII text, with CRLF line terminators
We use the * character to specify all the files.
2. Which option of “rm” command is used to delete a directory with all its subdirectories?
A –o
B –p
C –r
D –b
$ rm -r command is used to delete a directory with all its subdirectories.
3. Which command creates an empty file if the file does not exist?
A cat
B touch
C read
D ed
$ touch new_file command creates an empty file if the file does not exist.
4. Which command is used to copy files to and from the archive?
A gzip
B zip
C cpio
D backup
cpio command copies the files into an archive. It reads a list of files, one by one, from the standard input and writes the archive to the standard output.
5. Which command is used to display disk space of a specific directory?
A du
B dds
C ds
D dd
$ du /home/my/test 32200 /home/my/test/play 1099 /home/my/test/system 23 /home/my/test/cours/java 59 /home/my/test/documents 410009 /home/my/test
6. Which command is used to extract a column from a text file?
A get
B paste
C cut
D tar
$ cut -c n [file_name]
Where n is equal to the number of columns to extract. Let’s consider the content of a file named students:
$ cat students A Emily Sara B Bob Defrt C Ali Syzer D Yohan Zecdfy
The following example extracts the first column from the students file:
$ cut -c 1 students A D B D
7. Which command is used to extract the intermediate result into a pipe?
A extract
B exec
C tee
D None of the above
$ ls | tee my_file
8. Which command changes the group owner of a file?
A chgrp
B cgrp
C change
D group
$ chgrp alex my_folder/ $ ls -l drwxrwxr-x 2 ubuntuvm alex 4096 Jun 10 16:04 my_folder
Here we have changed the group property of the directory named “my_folder” to alex.
9. Which command is used to display the contents of a compressed text file?
A zcat
B print
C type
D cat
$ zcat myzip.txt.gz Hello World!
Hello World! is the text found in a text file in the archive myzip.txt.gz
10. Which command is used to display the octal value of a text file?
A oct
B octal
C text_oct
D od
od command in Linux is used to display the content of a file in different formats, octal is the default format.
- Linux MCQs – LINUX commands – Part 1
- Linux MCQs – LINUX commands – Part 2
- Linux MCQs – LINUX commands – Part 3
- Linux MCQs – LINUX commands – Part 4
- Linux MCQs – File systems
- Linux MCQs – File Management – Part 1
- Linux MCQs – File Management – Part 2
- Linux MCQs – Different File Types
- Linux MCQs – File Access Rights and Permissions – Part 1
- Linux MCQs – File Access Rights and Permissions – Part 2
- Linux MCQs – Init and Shutdown Process
- Linux MCQs – Managing of users accounts and groups
- Linux MCQs – Multiple Choice Questions and Answers – Process management
- Linux MCQs – Linux environment – Part 1
- Linux MCQs – Linux environment – Part 2
- Linux MCQs – Linux environment – Part 3
