Pksmart
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Pksmart is an executable file compressor written by Puchkov Sergey and Alexander Ryumshin from Dnepropetrovsk on Ukraine. Authors are members of Keen Art Software which is OS/2 software developers group. It allows compressing single and multiple executables both in executable and overlay formats. Program features simple Norton Commander-like interface, with only one panel. Crunching of directory trees is also possible.