Freeware compression tool, the right tool.7-Zip is a freeware compression tool. This freeware tool does almost all standard compression methods including ZIP and TAR. It also includes its own compression format called 7z that is highly effective. Another feature of 7-ZIP is that it includes GUI and command line tools. The GUI (pictured here) will be familiar to anyone who has used WinZip or WinRAR, while the command line bears similarities to many command line scanners. It also adds system integration which makes using 7-Zip a breeze.
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