Slow iTerm or Terminal start

If your iTerm or Terminal needs some time to start and the bash needs some time to appear if you create a new window.

Short solution is to delete the logs if they are to big:

sudo rm -rf /private/var/log/asl/*.asl

Here the source from os x daily:

http://osxdaily.com/2010/05/06/speed-up-a-slow-terminal-by-clearing-log-files/