It seems that https://en.wikipedia.org/wiki/Lzip https://en.wikipedia.org/wiki/Lzip came out at the time between lzma and xz, possibly because lzma lacked prope

It seems that https://en.wikipedia.org/wiki/Lzip https://en.wikipedia.org/wiki/Lzip came out at the time between lzma and xz, possibly because lzma lacked proper file headers and checksumming at the time. These days, some distros use lz and most use xz, probably mostly due to historical reasons.