There are a number of different compression programs that are popular, easily identified by the file extension. You must supply the full filename with the .gz file extension. Occasionally, you will encounter compressed files with the .TGZ file extension. These are UNIX files that have been TAR red and GZIP . You must supply the full filename with the .Z file extension.
Documentation is available at the same location as COMP.TXT .
File Formats File Formats Commonly Found on the Internet - Table of filename extensions such as .hqx, .arj, .ps, .tar, .Z, .zip, .sit , and so on. Explains what each is and has links to software for dealing with them. All Rights Reserved. Reproduction or redistribution without prior written consent is prohibited.