$ByteOrdering
 Usage
• $ByteOrdering gives the native ordering of bytes in binary data on your computer system.
Notes
• Possible values of $ByteOrdering are +1 and -1. • +1 corresponds to big endian (appropriate for 680x0 and many other processors); -1 corresponds to little endian (appropriate for x86 processors). • +1 corresponds to having the most significant byte first; -1 to having the least significant byte first. • +1 is the order obtained from IntegerDigits[n, 256]. • $ByteOrdering gives the default setting for the ByteOrdering option in Import and Export. • New in Version 4.
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