Phew! That was a lot of commands we learned! In case you wanted to look back at your command history, the shell allows you to do so! In fact, for each session, the shell stores everything you typed!
To see the contents of the history list, simply use the
For a better format, pipe the results to less.
$ history | less
Furthermore, we can pipeline certain commands with
grep. Recall that
grep searches for lines containing a certain pattern.
$ history | grep ls
Each command is listed in chronological order (1 being your very first command). To go back to a specific command, simply place the command number after an exclamation mark (!).
If you recall a few keywords from a command you executed, but don't recall it all, you can easily to a search through the history of your commands with ^r (ctrl+r).
After the command you want pops up, press ^j to copy to your current line.
If you want to toggle up and down your history list, you can do so with the up and down arrow keys. Additionally, there is ^p and ^n, which stand for previous and next.
Here are some additional history shortcuts.
sudoin before running a command!
The Linux Command Line takes you from your very first terminal keystrokes to writing full programs in Bash, the most popular Linux shell. Along the way you'll learn the timeless skills handed down by generations of gray-bearded, mouse-shunning gurus: file navigation, environment configuration, command chaining, pattern matching with regular expressions, and more.$ Check price
This foam seat cushion relieves lowerback pain, numbness and pressure sores by promoting healthy weight distribution, posture and spine alignment. Furthermore, it reduces pressure on the tailbone and hip bones while sitting. Perfect for sitting on the computer desk for long periods of time.$ Check price