Ponytail Canasta agreed to be best for four players playing in partnerships. However, there are playable versions for two, three, or four partnerships. These additional player partnerships call for additional decks of cards Canasta is normally played with standard 52 card decks plus two jokers. The cards A, K, Q, J, 10, 9, 8, 7, 6, 5, 4 are called natural cards. All of the deuces (twos) and jokers are wild cards. With some restrictions, wild cards can be used during the game as substitutes for a natural card of any rank. The threes have special functions and values: Black threes are
Pack (compression) Pack (compression) Pack is a (now deprecated) Unix shell compression program based on Huffman coding. The unpack utility will restore files to their original state after they have been compressed using the "pack" utility. If no files are specified, the standard input will be uncompressed to the standard output. Although obsolete, support for packed files exists in modern compression tools such as gzip and 7-zip. Files compressed by "pack" are typically given the extension ".z" (not to be confused with the ".Z" of compress). Files can be returned to their original state using "unpack". In addition, there may also be