CentOS 8 Linux Administration - Level I Quiz Questions and Answers

Question: What does rwxr-xr-- means in octal?
754

Question: What is the ssh command?
It is the secure shell; it is used to connect to remote hosts via an authenticated and encrypted channel.

Question: What is the right command to save file and exit in Vim?
:wq

Question: What is a zombie process?
A zombie process is a process which has terminated, but whose parent had not yet read its exit status.

Question: What is the type command used for?
type determines the type of a command (shell builtin, alias, file on hard disk)

Question: What type of file does the /etc folder contain?
Configuration files for services and systems

Question: Which command(s) is/are used to get help about a command in Linux?
Both a and b

Question: What is the purpose of id command?
Print effective and real UID and GID

Question: What is the output of the following command? rpm –qa
Queries the RPM database and lists all installed packages

Question: What does the pwd command do?
It prints the path of the current working directory