xz & unxz

Question 1

xz

Answer 1

xz is a general-purpose data compression tool with command line syntax similar to gzip(1) and bzip2(1).

Question 2

xz

• z, –compress
• d, –decompress
• t, –test
• l, –list
• k, –keep
• f, –force

Answer 2

xz

• c, –stdout
• 0 … -9
• e, –extreme, Try to improve compression ratio by using more CPU time; Does not affect decompressor memory requirements.
• T, –threads=NUM, Use at most NUM threads; the default is 1; set to 0 to use as many threads as there are processor cores.
• q, –quiet
• v, –verbose

Question 3

unxz

Answer 3

Alias used to decompress FILEs in the .xz format. unxz stems from the xz command.