The current version is 0.6 at the time of this writing.
wget http://sickness.tor.hu/wp-content/uploads/2011/06/backtrack5_update.c
gcc -o backtrack5_update backtrack5_update.c
Usage :
./backtrack5_update
You can also move the execute file to /bin. Once moved the file to /bin, you can run the script as the following :
backtrack5_update
Source :
Update script on Back|Track 5 forum
Remarks :
Another update script written in Python
That's all! See you.