Easy format to use while converting between different storage sizes

File size converter.c

knownUnits = new Dictionary<string, long>
        { 
            { "", 1L },                                 // no unit is same as unit B(yte)
            { "B", 1L },
            { "KB", 1024L },
            { "MB", 1024L * 1024L},
            { "GB", 1024L * 1024L * 1024L},
            { "TB", 1024L * 1024L * 1024L * 1024L}
            // fill rest as needed
        };