Let's get those errors fixed.
The which command is the simplest of the three. When you use it to ask about a Linux command, it will run down your search path looking for executable files by the name you specify. These can be ...
Your terminal doesn't have to look like a boring block of white-on-black text. Personalizing it so much easier than it seems.
Complete tload command guide for Linux. Monitor CPU load average with live ASCII graphs. Installation, usage examples, and comparison with top/uptime.