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Unzip

To unzip is to extract a Zip archive.

UUencode

Many file formats are 8-bit (also called binary) which means that the basic unit of information - a byte - comprises 8 on/off signals. Email, however, is a 7-bit (or text) medium, preventing the transfer of 8-bit data. UUencoding compensates for this restriction by converting 8-bit data to 7-bit data. UUencode accomplishes this by joining all of the file's bits together into a single stream, and then dividing the stream into 7-bit chunks. The data are then emailed and received by someone who must UUdecode it.

Ultra ATA/100

Ultra ATA/100 or Ultra DMA/100 is an extension of the current Ultra ATA/66 interface. This new high-speed interface has the capability of 100 Mbytes/sec transfer rate and maximized disk performance under the current PCI local bus environment.