Mac OS 9.x - "Mach" OS X files when I open the hard drive

Hi, I use MacOS 9.2.2 and every time that I double-click on the Hard Disk icon the following occurs: the three (3) following items jump to the very bottom of the Hard Disk Folder: all of the three have a top right dog-eared corner, and they appear to be OS X documents:
1) Mach,
2) Mach.sym,
3) Mach.sym (MacOS 9). Do I really need these three items or can I delete them?
Angel

Don's information is spot-on. I would just make his warning a bit more dire:
Those files are part of Mac OS X's brain. If you move or delete them, your currently installed Mac OS X will never work again, and you will be forced to re-install Mac OS X before being able to use it again.

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Mac OS 9.x - "Mach" OS X files when I open the hard drive

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