add links for 'awk' (#5801)

src/data/roadmaps/linux/content/104-text-processing/117-awk.md

@@ -1,4 +1,4 @@
-# awk - Text Processing 
+# awk - Text Processing
 
 awk is a powerful text-processing language that is widely used in Unix-like operating systems, including Linux. Named after its three original developers - Alfred Aho, Peter Weinberger, and Brian Kernighan, awk is adept at performing operations upon text files, such as sorting, filtering, and report generation.
 
@@ -12,4 +12,10 @@ Here's an example of how to print first two fields of each line of a file using
 awk '{print $1,$2}' filename
 ```
 
-This would display the first and second field (typically separated by spaces) of every line in 'filename'.
+This would display the first and second field (typically separated by spaces) of every line in 'filename'.
+
+Visit the following resources to learn more:
+
+- [IBM.com: Awk by Example](https://developer.ibm.com/tutorials/l-awk1/)
+- [Linux Handbook: Awk](https://linuxhandbook.com/awk-command-tutorial/)
+- [YouTube](https://www.youtube.com/watch?v=9YOZmI-zWok)