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landing/docs/.Bash-Scripting/013-debugging-and-testing.md

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+# Debugging, testing and shortcuts
+
+In order to debug your bash scripts, you can use `-x` when executing your scripts:
+
+```bash
+bash -x ./your_script.sh
+```
+
+Or you can add `set -x` before the specific line that you want to debug, `set -x` enables a mode of the shell where all executed commands are printed to the terminal.
+
+Another way to test your scripts is to use this fantastic tool here:
+
+[https://www.shellcheck.net/](https://www.shellcheck.net/)
+
+Just copy and paste your code into the textbox, and the tool will give you some suggestions on how you can improve your script.
+
+You can also run the tool directly in your terminal:
+
+[https://github.com/koalaman/shellcheck](https://github.com/koalaman/shellcheck)
+
+If you like the tool, make sure to star it on GitHub and contribute!
+
+As a SysAdmin/DevOps, I spend a lot of my day in the terminal. Here are my favorite shortcuts that help me do tasks quicker while writing Bash scripts or just while working in the terminal.
+
+The below two are particularly useful if you have a very long command.
+
+* Delete everything from the cursor to the end of the line:
+
+```
+Ctrl + k
+```
+
+* Delete everything from the cursor to the start of the line:
+
+```
+Ctrl + u
+```
+
+* Delete one word backward from cursor:
+
+```
+Ctrl + w
+```
+
+* Search your history backward. This is probably the one that I use the most. It is really handy and speeds up my work-flow a lot:
+
+```
+Ctrl + r
+```
+
+* Clear the screen, I use this instead of typing the `clear` command:
+
+```
+Ctrl + l
+```
+
+* Stops the output to the screen:
+
+```
+Ctrl + s
+```
+
+* Enable the output to the screen in case that previously stopped by `Ctrl + s`:
+
+```
+Ctrl + q
+```
+
+* Terminate the current command
+
+```
+Ctrl + c
+```
+
+* Throw the current command to background:
+
+```
+Ctrl + z
+```
+
+I use those regularly every day, and it saves me a lot of time.
+
+If you think that I've missed any feel free to join the discussion on [the DigitalOcean community forum](https://www.digitalocean.com/community/questions/what-are-your-favorite-bash-shortcuts)!