Sem I (Prak Grund Infor) - N3

Question 1

Remove directory

Answer 1

rmdir

Question 2

Delete files and subdirectory and files. “No Warning if directory contains files.”

Answer 2

rm

Question 3

Reverse the files’ order of listing. (BASH)

Answer 3

ls -r

Question 4

Display the content of a file.

Answer 4

cat

Question 5

Arrange a string of characters into a chained list. IT is?

Answer 5

Catenate

Question 6

Creates the file named “filename.txt” and allows user to enter text into the file.

Answer 6

cat > filename.txt, does what?

Question 7

Adds the content to filename1 and filename3 to a newly created file called filename3.

Answer 7

“cat filename1.txt filename2.txt > filename3.txt” does what?

Question 8

Make a directory where parents don’t exist. Create a directory called “folder1” inside a directory called “parent”

Answer 8

mkdir -p parent_dir/child_dir/grandchild_dir

Question 9

Display not only the contents of the specified directory but also the contents of all its subdirectories, and their subdirectories, and so on, in a recursive manner.

Answer 9

ls -R

Question 10

Renames files and folders oder Verschieben von Dateien/Verzeichnissen.

Answer 10

mv

Question 11

Suppose you have a file named file.txt in the directory /home/user/documents and you want to move it to the directory /home/user/archive.

Answer 11

mv /home/user/documents/file.txt /home/user/archive/

Question 12

Rename the file while moving it by specifying a different name in the destination path.

Answer 12

mv /home/user/documents/file.txt /home/user/archive/new_name.txt

Question 13

Move multiple files at once by specifying multiple source files followed by the destination directory.

Answer 13

mv file1.txt file2.txt /home/user/archive/

Question 14

Move the file and ask before replacing the existing file. (BASH)

Answer 14

mv -i

Question 15

Move the file and force replacing the existing file.

Answer 15

mv -f

Question 16

Displays the contents of text fil and has more features.

Answer 16

less

Question 17

Displays the contents of text files and has less features.

Answer 17

more

Question 18

photo manager for organizing, editing, and sharing photos.

Answer 18

shotwell

Question 19

Show Calender (Bash)

Answer 19

cal

Question 20

Enthälten ausführbare Standard-Kommando-Programme (Binaries) wie ls oder cp. Folder?

Answer 20

/bin

Question 21

Folder, die beim Booten benötigt werden.

Answer 21

/boot

Question 22

Папка которая содержит специальные файлы, которые обеспечивают доступ к физическим и виртуальным устройствам, а также для драйверов и модулей ядра.

Answer 22

/dev

Question 23

Folder die Konfigurationsdateien und -verzeichnisse, die von verschiedenen Systemdiensten, Anwendungen und Benutzern verwendet werden.

Answer 23

/etc

Question 24

Folder die hat Informationen über laufende Prozesse, Hardwarekonfigurationen und andere Systemressourcen.

Answer 24

/proc

Question 25

Was macht folgendes kommand bash –version

Answer 25

Version der Bash

Question 26

Was macht “man” BASH Kommand?

Answer 26

Hilfe zu einem Befehl in der Kommandozeile erhalten

Question 27

Was macht “chmod” Kommand?

Answer 27

Gewünschten Rechten auf Datei.

Ausführungsrecht für die Datei script.sh aktiviert
chmod +x script.sh

Question 28

Was macht “chmod 730” Kommand?

Answer 28

Lese-, Schreib- und Ausführungsrechte

Question 29

Was macht ““touch “long list”” Kommand?

Answer 29

Erstellt Dataei mit dem Name ‘long list”.

Question 30

Was macht “who” Bash Linux Kommand?

Answer 30

Zeigt aktuell angemeldete Benutzer

Question 31

Was macht “cat file1.txt&raquo_space; file2.txt” Kommand?

Answer 31

Inhalt einer Datei an eine andere Datei angehängen. ZB von file1.txt to file2.txt

Question 32

Местом хранения ненужного вывода. Часто используется для подавления вывода или перенаправления нежелательного вывода команд.

Answer 32

/dev/null

Question 33

Was macht “tar cvf date.tar file1 file2” Kommand?

Answer 33

Dateien in ein Archiv packen

Question 34

Was macht “tar xvf date.tar” Kommand?

Answer 34

Dateien entpacken

Question 35

Bash Kommand die rekursiv Verzeichnisse kopiert.

Answer 35

cp -r

Question 36

Bash Kommand die ein Verzeichniss kopiert und erhalt Dateiattribute wie Zugriffrechte und Zeitstempel

Answer 36

cp -p

Question 37

Bash Kommand die ein Verzeichniss kopiert und zeight detaillierte Ausgaben an

Answer 37

cp -v

Question 38

Bash Kommand die ein Verzeichniss kopiert und force uberschreibung ohne Nachfrage

Answer 38

cp -f

Question 39

Bash Kommand die ein Verzeichniss kopiert und fragt vor dem Uberschreibung

Answer 39

cp -i

Question 40

Bash Command to display a line of text or a string on the terminal.

Answer 40

echo

Question 41

Bash Kommand to locate and display the full path of an executable file

Answer 41

which

which ls
>>/bin/ls

Question 42

Bash regular expression for zero or more characters

Answer 42

*

List all files ending with .txt. :
ls *.txt

Question 43

Bash regular expression to match serves as a quantifier that matches zero or one occurrence of the preceding character or group.

Answer 43

?

file?.txt would match file1.txt, file2.txt, etc., but not file10.txt.
file?.* would match file1.txt, file2.png, etc., but not file10.txt.

Question 44

Create multiple files with similar names but different numbers. For example file1.txt, file2.txt, file3.txt, file4.txt, file5.txt.

Answer 44

touch file{1..5}.txt

Question 45

Displaly message. Mesagge should contain numbers from 20 to 10, step 2

Answer 45

echo {20..10..2}

Question 46

Bash command to do following: Suppose you have a directory containing files with names like “file1.txt”, “file2.jpg”, “file3.txt”, “file4.jpg”, and you want to list only the files with names ending in either “.txt” or “.jpg”.

Answer 46

ls file[0-9].{txt,jpg}

Question 47

Bash command to Count the number of lines, words, and bytes in this file

Answer 47

 wc example.txt
 
 

Question 48

Bash command to display a number of lines in a file (At the begining and at the end)

Answer 48

head and tail

For example
head -n 5 file.txt 
will display the first 5 lines of file.txt.

Question 49

Bash Kommand, Komman muss Ausgabe von echo “Hello” in die Datei file.txt einfugen, vobei vorheriger Inhalt von file.txt geloscht wird.

Answer 49

echo “Hello” > file.txt

Question 50

Bash Kommand, Komman muss Ausgabe von echo “Hello” in die Datei file.txt einfugen, ohne vorheriger Inhalt von file.txt geloscht wird.

Answer 50

echo “World”&raquo_space; file.txt