Ubuntu Interview Questions and Answers
Ques 26. Explain the purpose of the '/etc/hostname' file.
The '/etc/hostname' file contains the hostname of the system.
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Ques 27. How do you check the Ubuntu release codename?
You can check the release codename with the command: lsb_release -c
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Ques 28. What is the purpose of the 'systemctl' command?
The 'systemctl' command is used to control the 'systemd' system and service manager.
Example:
systemctl status serviceName
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Ques 29. How do you check the CPU information in Ubuntu?
You can check CPU information using the 'lscpu' command.
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Ques 30. Explain the purpose of the '/var/log' directory.
The '/var/log' directory contains log files generated by various system processes and services.
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