The Mac Admin's Blog

How to remove caches from the machine It is recommended to delete the caches from your machines as generally these are of no use and occasionally caches become corrupted, impacting the performance and stability of your Mac. Deleting caches won't interfere any process going on your machine and should be done as there may be quite a few extraneous cache files in your ~/Library/Caches folder.. However, over time a cache speeds up your computer (assuming that you do some things repetitively), so if you aren't experiencing any problems, you may want to leave your caches alone. On the other hand, if it has been a long time since you have deleted your caches, or if your machine is running slowly, or if you are experiencing uncertain problems, it might be a good idea to flush them. While Apple doesn't recommend doing this routinely, they indicate that it is a good idea in certain situations. Some other famous sites also recommend this.There are two steps to delete cache from your

How to clear DNS from Mac OS X Every time when you open a web page its DNS gets stored in cache of the computer. If you want to know what is DNS, read this topic to clear the concept. When these DNS cache become old, in some of the cases they start creating problem. The idea is to delete DNS cache saved in the system. The command has to typed in Terminal, for Leopard it has to be: dscacheutil -flushcache If you still have Tiger running on your Mac, then type the following: lookupd -flushcache After running this command, cache will be clear and it may take a bit longer to open web pages. It is not recommended to constantly flush your cache, once a month or once every two months would be good enough.