Compare linux with windows?
Please explain lilo?
What is the difference between absolute and relative path?
What is ssh port forwarding?
Does free memory exist on linux?
What does whoami do?
What does the immutable bit do to a file?
What are hard links?
What is an a record, an ns record, a ptr record, a cname record, an mx record?
What does ps do?
What is linux? How is it different from unix?
What does sar provide?
What is the ssl handshake?
How to connect to a remote server via ssh?
What is a typical size for a swap partition under a linux system?