The ImpressMe page: simple terminal command examples.

Q:
Who am I?
A:
whoami


Q: Where am I?
A: pwd


Q: When "am I"?
A: date


Q: I want to go ~home :((((
A: cd or cd ~


Q:
How many users are logged in my system right now?
A: users


Q: What about mu path environment?
A: echo $PATH


Q:
What about my Library directory environment?
A: cat /etc/ld.so.conf


Q: Which processes work in my terminal?
A: ps


Q:
And Which jobs?
A:
jobs


Q: And how about all processes?
A: ps -ef | less


Q: And which called which?
A: pstree | less


Q: When I list all files in a directory the results exceed the console.
A: ls -lh /usr/doc | less


Q: When I specify the --help parameter, the results exceed the console.
A: ls --help | less see also less in HelpMe page.


Q: What pci cards do I have?
A: lspci or lspci -v | less or less /proc/pci


Q: What about my filesystems state?
A: df -h


Q: What about my physical and virtual memory?
A: free