Bonus commands

• Check ip : ifconfig

• Can this machine access the other machine: ping or telnet the ip/domain

• Disk check: du -sh * | sort -h more

• Call/Download via terminal : curl, wget [Eg. curl https://jsonplaceholder.typicode.com/posts/1]

Most Handy Useful commands

• How to know that how to run this command: man your_command_name (know everything about the command like which options/flags will work with it)

• Navigate between commands you typed: Arrow up/down

Up/Down Arrows: The up and down arrows on your keyboard move through your last used commands. So, if you wanted to run the second to last command you ran, just hit the up arrow twice and hit Enter.

• Reverse search all last commands matching your string : ctrl r -> type string (keep hitting 'r' holding ctrl until you find your command)

• To come to first charcter of line in termimal : ctrl a

• To come to last charcter of line in termimal : ctrl e

• PROCESS KILL: CMD/CTRL+D CMD+C CMD+Z