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.file extension AS - AppleSingle encoded file
.ASFile extension AS description:
Typically, these are given the extension .dat and the MIME-type in the E-mail system is set to properly identify them; however, .as extension is sometimes used. Probably used on older Apple computers and Apple OS.
AppleSingle is file format developed by Apple Computer in order to store Mac OS "dual-forked" files on the Unix filesystem being used in A/UX, Apple's first Unix-like operating system. AppleSingle combined both file forks and the related Finder meta-file information into a single file. Support for the format was later added to Unix software such as NFS and MAE, but they saw little use outside this small market.
Associated applications to file extension AS:
Company / developer:
Apple, Inc.
Introduction to Mac OS X
Ever wonder why people get so attached to their Mac? Think Mac OS X. At the core of every Mac, Mac OS X is what makes your digital life more simple, more productive, and just plain fun.
It’s easy.
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Making amazing things simple takes seriously advanced technology. Mac OS X is built on a rock-solid UNIX foundation, delivers true 64-bit performance, and incorporates industry-leading animated graphics. The beauty is, you don’t have to know what one word of that means — just start up your Mac and enjoy it.
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It’s compatible.
It’s a big world out there, and Mac OS X fits in perfectly. It runs Microsoft Office. It has built-in drivers for cameras, printers, and external drives. It plugs right into a PC network. And in case there’s a PC application you can’t live without, Mac computers can even run Windows. Mac OS X is compatible with everything — most of all, you.