are the options 'A' and 'r' in 'tar' the same thing? On Wed, Nov 30, 2011 at 5:07 PM, Matt Graham wrote: > From: Michael Havens > > I want to compress a bunch [of] pictures to put a bunch on my zip > > drive. What is the best program to use? > > Most image formats are already compressed in some way. JPEG, GIF, TIFF, > and > PNG are almost always compressed. Compressing an already-compressed data > set > doesn't usually buy you very much at all, 1 or 2% if that. > > > I was thinking 'zip' would be good > > See above. zip will work, though tar combined with bzip2 (or xz/lzma) may > be > more space-efficient at the cost of it taking longer to compress and > uncompress the data. That's "tar cjf images.tar.bz2 images/" or "tar cJf > images.tar.xz images/" to create compressed tarballs of everything in the > images/ dir. Replace "tar cjf" with "tar xjf" to uncompress. > > -- > Matt G / Dances With Crows > The Crow202 Blog: http://crow202.org/wordpress/ > There is no Darkness in Eternity/But only Light too dim for us to see > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > -- :-)~MIKE~(-: