ADDED Bash tutorial link free-courses-en.md (#11306)

* ADDED Bash tutorial link free-courses-en.md

* ADDED Bash tutorial link free-courses-en.md

* ADDED Bash tutorial link free-courses-en.md

* ADDED The Shell Scripting Tutorial books/free-programming-books-langs.md

* ADDED The Shell Scripting Tutorial books/free-programming-books-langs.md

* ADDED The Shell Scripting Tutorial books/free-programming-books-langs.md

* ADDED The Shell Scripting Tutorial books/free-programming-books-langs.md

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Co-authored-by: Farazul Hoda <farazulhoda@Mac.attlocal.net>

books/free-programming-books-langs.md

@@ -407,6 +407,7 @@ Books on general-purpose programming that don't focus on a specific language are
 * [Slackbook (2005)](http://slackbook.org) - Alan Hicks, Chris Lumens, David Cantrell, Logan Johnson (HTML, DocBook, Postscript, PDF)
 * [The Bash Academy](http://guide.bash.academy) - Maarten Billemont (HTML)
 * [The Linux Command Line](http://linuxcommand.org/tlcl.php) - William E. Shotts Jr. (PDF)
+* [The Shell Scripting Tutorial](https://www.shellscript.sh) - Steve Parker (HTML)
 * [Writing Shell Scripts](http://linuxcommand.org/lc3_writing_shell_scripts.php) - William E. Shotts Jr. (HTML)