What is the command for displaying, in which shell we are
working.
Answers were Sorted based on User's Feedback
Do you need antivirus with linux?
How to disable ping to avoid network/icmp flood?
Is pfsense an os?
What is yum and rpm in linux?
What is the difference between bash and dos?
How to find the difference in two configuration files?
Why is it called arch linux?
What linux hotkeys do you know?
How do you get the full path of a file in linux?
What does sar provide?
Does the alt+ctrl+del key combination work in linux?
which type of application can be run on linux? and explain what it the use of that?