Going back to a previous directory in the Linux terminal

 A little cd trick to cd back in Linux terminal history:

 cd -  

So useful I had to share!

Adding Syntax Highlighting to Linux less

Install source-highlight:

 sudo apt-get install source-highlight  

Add the following two lines to~/.bashrc

 export LESSOPEN="| /usr/share/source-highlight/src-hilite-lesspipe.sh %s"  
 export LESS=' -R '  

Now source files opened with less will be nicely syntax highlighted. source-highlight supports many languages - see

 source-highlight --lang-list  

for a full listing.