Add additional references

slides/c_slides.md

@@ -597,6 +597,7 @@ struct config {
 ## Reading Material
 
 - Your favourite C tutorial
+- [Modern C](https://modernc.gforge.inria.fr/)
 - Read up on common C standard library functions
 - Man-pages
 - [SEI CERT C Coding Standard](https://wiki.sei.cmu.edu/confluence/display/c/SEI+CERT+C+Coding+Standard)

slides/scripting_slides.md

@@ -330,4 +330,5 @@ Compare this to your average Windows / Mac install experience:
 ## Reading Material
 
 - [Bash Scripting Tutorial for Beginners](https://linuxconfig.org/bash-scripting-tutorial-for-beginners)
+- [Pure Bash Bible](https://github.com/dylanaraps/pure-bash-bible)
 - [Fedora Package Management System](https://fedoraproject.org/wiki/Package_management_system)