Removing it might cause difficulties installing firmware updates, but it probably won't, and you probably won't notice it. The ESP is scratch space used under rare circumstances for the boot process. On a 4GB drive there there is ~328 MBs lost that way.Ģ00MB of it is for the ESP partition. You can start deleting programs in /Applications, but the system assumes those are there, some stuff may not work properly.ĭisk Utility by default leaves extra space for certain things on drives larger than a certain size.If the full drivers aren't there, then some devices might not work, but anything needed to boot should be. It will omit any driver not needed to boot a system, and be trimmed down to a single architecture. An mkext is a bundle of kexts generally used as part of netbooting, but the bootloader can use it to boot off a normal disk as well.
If yo are really gutsy you can build an mkext and delete OS X's drivers directory entirely.Xslimmer can do this, as can Monolingual. If you have multiple localization installed you can remove them.A number of drives may not be necessary for your particular Machine, and could be trimmed out, but doing so is moderately complicated.
#Mac apps similar to xslimmer mac os x
All Mac OS X installs include the complete set of drivers necessary for all Macs supported by that OS at the time it shipped.You can remove PPC if you are not going to use any appc apps. The PPC bits are there for Rosetta even if you do not have the emulator installled. All frameworks are installed 3 way fat (32 bit and 64 bit Intel, and 32 bit PPC).You can use a program like Xslimmer to do this. The only Intel Macs shipped that do not support 64 bit userspace are the original MacBook Pro, Mac Mini, and MacBook 2006. All app binaries are installed 2 way fat (32 bit Intel, 64 bit Intel), and you can conceivably remove 32 bit Intel.Though I do not recommend doing any of these, there are a couple of thing installed in the default system that can be trimmed out to save space:
#Mac apps similar to xslimmer install
If you want to make a smaller install, the easiest thing to do is install it on another partition, trim down the installation, then copy it over to the target drive using ditto or Carbon Copy Cloner. The minimum install that comes off the DVD is ~6 gigabytes.
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