Oracle Linux System Administration I Quiz Questions and Answers

What is the ssh command?

Answer :
  • It is the secure shell; it is used to connect to remote hosts via an authenticated and encrypted channel.

Explanation :

It is the secure shell; it is used to connect to remote hosts via an authenticated and encrypted channel.

What is the output of the following command? rpm –qa

Answer :
  • Queries the RPM database and lists all installed packages

Explanation :

Queries the RPM database and lists all installed packages

What does the pwd command do?

Answer :
  • It prints the path of the current working directory

Explanation :

It prints the path of the current working directory

What type of file does the /etc folder contain?

Answer :
  • Configuration files for services and systems

Explanation :

Configuration files for services and systems

What is the purpose of id command?

Answer :
  • Print effective and real UID and GID

Explanation :

Print effective and real UID and GID