This sends an EOF End-of-file marker to bash, and bash exits when it receives this marker. As your scripts become bigger and more complicated, comments become vital. Create bin in that folder, or wherever you want your bash scripts to live.
If you press it constantly, it takes you through multiple commands in history, so you can find the one you want. It might seem extremely scary the first time you do it, but hopefully this guide will help ease the fear.
If you have one or morewhy not share it with the rest of us in the comment section?
Press the shortcut multiple times to walk back through the history. If you want your script to be private i. Bash is available by default on Linux and macOS operating systems.
This sends the SIGINT signal to the process, which is technically just a request—most processes will honor it, but some may ignore it. You can also use read to accept user input. Esc and then L — transforms the text from the cursor to the end of the word to lowercase. Start small and use scripts to automate small tasks.
They are used by programmers to explain what is going on so that others can figure it out. Other scripting languages such as Perl, awk, tcl, Tk, and python also use this mechanism.