how good are RPI's With Cron jobs ? (once every 5th minute)
My Pi is great with cronjobs. I run a few of them: one to check to make sure all machines on my local network are awake and pingable (coded in Python), another to generate a random number (coded in Python again), and finally, one to generate a random image (just a bash script). It's worth mentioning that I'm using a single model B for all these tasks, that is also running an Apache webserver.
I run the network ping test every two minutes and output the results to a text file. It works great, and is consistently updated every two minutes. I run the random number script once a day, and then the random image script once every 6 hours. Obviously none of these tasks are very resource demanding, and the Pi seems to handle it fine. If you're looking to run simple scripts like these every five minutes it should work out no problem.
What kind of script(s) are you looking at having the Pi run for you?