File can be decompressed on a Unix machine by typing uncompress filename, where "filename" is the name of the file you want to decompress.
There is a lot of programs listed below for uncompressing/openning this type of file:
- Windows: Smith Micro Stuffit Expander, Corel WinZip, WinRAR
- Macintosh: Smith Micro Stuffit Expander
- Unix: gnuzip, uncompress, unpack, zcat