NO.20 What information is stored in /etc/passwd? (Choose three.)

NO.21 What is the preferred source for the installation of new applications in a Linux based operating system?

NO.22 What is true about thedmesgcommand? (Choose two correct answers.)

NO.23 Which of the following outputs comes from the command free?

NO.24 Which of the following commands adds thedirectory/new/dir/to thePATHenvironment variable?

NO.25 Which of the following directories containsinformation, documentation and example configuration files for installed software packages?

NO.26 Which of the following are typical services offered by public cloud providers? (Choose three.)

NO.27 Which of the following examples shows the general structure of a forloop in a shell script?
for *.txt as file => echo $file

NO.28 Which files are the source of the information in the following output? (Choose two.) uid=1000 (bob) gid=1000 (bob) groups=1000 (bob), 10 (wheel), 150 (wireshark), 989 (docker), 1001 (libvirt)

NO.29 Reverse DNS assigns hostnames to IP addresses. How is the name of the IP address 198.51.100.165
stored on a DNS server?

NO.30 What information is stored in /etc/passwd? (Choose three correct answers.)

NO.31 Which of the following commands shows the absolute path to the current working directory?

NO.32 Which of the following programs is a graphical editor for vector graphics?

NO.33 Which of the following are typical services offered by public cloud providers? (Choose three correct answers.)

NO.34 Which of the following commands finds all lines in the file operating-systems.txt which contain the term linux, regardless of the case?

NO.35 The current directory contains the following file:
-rw-r-r- 1 root exec 24551 Apr 2 12:36 test.sh
The file contains a validshell script, but executing this file using./test.shleads to this error:
bash: ./test.sh: Permission denied
What should be done in order to successfully execute the script?

NO.36 Which of the followingtaroptions handle compression? (Choose twocorrect answers.)

NO.37 Which of the following keys can be pressed to exit less?

NO.38 The file script.sh in the current directory contains the following content:
#!/bin/bash echo $MYVAR
The following commands are used to execute this script:
MYVAR=value
./script.sh
The result is an empty line instead of the content of the variable MYVAR. How should MYVAR be set in order to make script.sh display the content of MYVAR?

NO.39 A user is currently in thedirectory/home/user/Downloads/and runs the command ls ../Documents/ Assuming it exists, which directory’s content is displayed?

NO.40 Which of the following commands extracts the contents of the compressed archive file1.tar.gz?