markdown source builds

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Source  : c6d9f2e
Branch  : main
Author  : Alison Meynert <ameynert@gmail.com>
Time    : 2025-06-27 17:48:32 +0000
Message : feat: add a section introducing CTRL+A and CTRL+E shortcuts (#364)

* feat: add a section introducing CTRL+A and CTRL+E shortcuts

* feat: Let learners see the failed command prior to editing.

Author: actions-user

01-introduction.md

@@ -365,6 +365,40 @@ pwck      pwconv    pwd       pwdx      pwunconv
 
 Displays the name of every program that starts with `pw`.
 
+### Shortcut: Moving to the start or end of a command
+
+Editing a long command can be time consuming. The shell has shortcut keys for moving to the start
+or end of a command that you are typing.
+
+Try this command.
+
+```bash
+ls home/dcuser/shell_data
+```
+
+You will get an error `ls: cannot access 'home/dcuser/shell_data': No such file or directory`.
+There should be a `/` at the start of the path.
+
+Use the up arrow to get the previous command again.
+Use CTRL+A (hold down the control (CTRL) key and press the A key) to move to the start of the command.
+Edit the command to add the missing `/` and hit enter.
+
+```bash
+ls /home/dcuser/shell_data
+```
+
+Now you decide actually you wanted to see the contents one level down in `sra_metadata`.
+
+Use the up arrow to get the previous command again.
+Your cursor will be at the end of the command.
+Use CTRL+A to move to the beginning of the command, then CTRL+E to move to the end of the command.
+Edit the command to add `/sra_metadata` and now hit enter.
+
+```bash
+ls /home/dcuser/shell_data/sra_metadata
+```
+
+
 ## Summary
 
 We now know how to move around our file system using the command line.

md5sum.txt

@@ -3,7 +3,7 @@
 "LICENSE.md" "e94126b93e27bae014999c2e84ee93f8" "site/built/LICENSE.md" "2025-02-04"
 "config.yaml" "85dd4502ec34eb1f4ec3dd3f04a061b8" "site/built/config.yaml" "2023-05-08"
 "index.md" "9fee7090c3acb6ad50fe0dbccf38d31f" "site/built/index.md" "2024-08-15"
-"episodes/01-introduction.md" "c0f3f85bf71bfaf19c2b3507d0207378" "site/built/01-introduction.md" "2023-08-15"
+"episodes/01-introduction.md" "29b56c984e144486b5d7347ca0e845b2" "site/built/01-introduction.md" "2025-06-27"
 "episodes/02-the-filesystem.md" "4bbcb23704aa18eb9155a4b80c0997e9" "site/built/02-the-filesystem.md" "2025-06-27"
 "episodes/03-working-with-files.md" "2c331035e2e8cea65fc0386b2e59b303" "site/built/03-working-with-files.md" "2025-05-30"
 "episodes/04-redirection.md" "7af92ffeb1bfdc69057917967d8a51ad" "site/built/04-redirection.md" "2025-05-30"