Anyway of cleaning my Mac up?

Other than clearing the history . It seems a bit sluggish and I am certain it needs a good clean up. Also is defragmantation advisable and if so how? Thanks

OSX defrags files up to 20 MB in size, Christopher, but it doesn't defrag larger files and it doesn't defrag free space on the drive. In fact the file defragmentation system INCREASES fragmentation of free space, especially when the drive is fullish.
While this doesn't matter much when there is plenty of free space on the drive fragmentation of free space can become a serious issue, resulting in slow performance and potentially crashes in the later stages, when you get down to the last 10 to 20% of hard drive space. Fragmentation of larger files will also become a significant issue at about this point, especially if you work with video and other things requiring optimal HD transfer rates.
You can check the amount of free space and file fragmentation using a free utility called SVF available from http://freenet-homepage.de/amichalak/page1/page1.html
If you wish to defragment there are essentially two approaches:
1) use a utility. iDefrag - http://coriolis-systems.com/iDefrag.php is the best of them.
2) Clone your internal drive to an external FW drive using a utility such as "SuperDuper", wipe the internal drive and clone back from the external drive to the internal. (Make sure that the clone is working properly as a boot drive before you wipe the internal) .
In either case you should check your HD with Disk Utility , while booted from your OSX Tiger DVD, getting it to "repair disk" before proceeding with the above.
Cheers
Rod

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