Added video links.

wadehuber · wadehuber · commit f2f7d33519ed · 2020-07-08T20:26:16.000-07:00
diff --git a/bash/bash3/crontest.py b/bash/bash3/crontest.py
diff --git a/cpp/cpp1/README.md b/cpp/cpp1/README.md
@@ -40,6 +40,11 @@ Demonstration of how to work with references, including a function that returns
 
 This file contains an example of using default arguments in C++ functions.
 
+## constmethod.cpp
+
+[Video](https://youtu.be/_F5emVR-jd4)
+*Example of const member methods*
+
 ## OOP Examples
 
 The next three videos feature examples of virtual/non-virtual functions, inheritance, and polymorphism.  The are included in increasing order of complexity, but if you are new to OOP you may find the first animals.cpp to be easier to understand at first.  
diff --git a/linux/commands.md b/linux/commands.md
@@ -37,7 +37,9 @@ Sun, Jun 14, 2015  5:56:51 PM
 
 ## cron
 
-You can schedule processes using cron.  [A good introduction](https://code.tutsplus.com/tutorials/scheduling-tasks-with-cron-jobs--net-8800).
+- You can schedule processes using cron.  [A good introduction](https://code.tutsplus.com/tutorials/scheduling-tasks-with-cron-jobs--net-8800).
+- [The Beginners Guide to Cron Jobs](https://www.ostechnix.com/a-beginners-guide-to-cron-jobs/)
+- The official Ubuntu documentaion includes a nice [CronHowto](https://help.ubuntu.com/community/CronHowto)
 
 ## Creating a file using the "cat" command
 
diff --git a/linux/videos.md b/linux/videos.md
@@ -65,3 +65,7 @@ The next two vidoes work with the [github-video-example](https://github.com/CGCC
 [Unix Review - Text Processing](https://youtu.be/MEv4YiudbVk) primarily covers cut, but also touches on cat, more. less, head, tail, grep, and using pipes at the commmand line.
 
 [Unix Review - Redirection & Piping](https://youtu.be/9RXDtmAfJKM) covers redirecting stdout & stdin and piping.  It also has brief examples of the grep, sed, and tee commands.
+
+## Module 14 - cron
+
+[cron](https://youtu.be/V79zDptTpH8) walks through setting up a cron job
