On the biggest company I worked for (~200-250 people), we had a wiki. I think it was TRAC. Fortunately, most developers were responsible enough to update the p

On the biggest company I worked for (~200-250 people), we had a wiki. I think it was TRAC. Fortunately, most developers were responsible enough to update the pages when they did something relevant (i.e., if you created a script to automate certain process, you'd put it on that process's page). I suspect that this is not very common...