Line Discipline in Unix/Linux Machines
📅️ Published: July 6, 2020 • 🕣 1 min read
Line discipline handles things like backspace and also generates various signals for special characters like Ctrl + C/Z etc.
stty -a will display all these settings.
To know more do
Other than Ctrl+c and Ctrl+z which you already know about. Here are some other tricks.
Fire up your terminal. And start typing….
|Ctrl+?||Delete the last input character, Basically Backspace (See what I am talking about, ^? can be used in terminals which may not support the backspace key|
|Ctrl+q||Erase line, works like carriage return
|Ctrl+a||Moves cursor to beginning of line|
|Ctrl+e||Moves cursor to end of line|
|Ctrl+w||Delete the last input "word"|
|Ctrl+k||Erase line to the end, from current cursor position|
|Ctrl+y||Paste the last erased text|
Apart from these line input specific keyboard shortcuts. We also have …
/ for continuing the multiline input.
bhupesh@dev: hello my name\ is\ bhupesh\ check\ > my boi\ > hoooo\ >
A better version
#!/bin/bash echo -e "Enter Commit Message (Ctrl+d to stop) : " commit_message=$(</dev/stdin) echo -e "\n\n$commit_message"
Make it executable and run.
Enter Commit Message (Ctrl+d to stop) : - fixed bug #454 - Increase reponse time - style fixes - fixed bug #454 - Increase reponse time - style fixes
All of this is controlled by the