Command Line Fun

Environment Variables
			export ip=10.0.0.1
			ip=10.0.0.1
			env			// all environment variables

Bash History Tricks
			history
			!405
			!!			// last command entred
			[Ctrl]+r                // reverse-i-search

Redirecting & Piping
			wc -m < file.txt
			STDIN,STDOUT,STDERR = 0,1,2
			cat error.txt | wc -m > count.txt

Managing Processes
			command &
			Ctrl + Z ; bg			// background
			Ctrl + Z ; jobs ; fg %1 	// forground

tail -f /log-path
Wget url 		//The non-interactive network downloader.