Manual page for a command
$ man <cmd>
Example:
$ man ps
View running processes
$ ps aux
Filter processes
$ ps aux | grep olga
Kill a process
$ kill <PID>
If process is stubborn
$ kill -9 <PID>
Tag: commandline
Command Line Tools
fzf – Fuzzy Finder: https://github.com/junegunn/fzf
Graph generation tool: Mermaid – https://github.com/mermaidjs/mermaid.cli
Simple UML diagrams. There is also an Atom plugin.
Find number of cores: https://www.ostechnix.com/find-number-cpu-cores-commandline-linux/