Linux xz command

Compress files using xz. The -k flag keeps the original file.

Availability: Common Linux commands; shell built-ins and external implementations may differ by distribution.中文

Syntax

xz [OPTION]... [FILE]...

Examples

Compress data.csv while preserving the original.

xz -k data.csv

Decompress while keeping the compressed file.

xz -dk data.csv.xz

Parameters, options and clauses

Option / clause	Description
`-z, --compress`	Compress (default operation).
`-d, --decompress`	Decompress.
`-k, --keep`	Keep the input file.
`-c, --stdout`	Write results to standard output.
`-T N, --threads=N`	Use up to N threads (where supported).
`-0 to -9`	Set compression preset; higher values usually use more resources.

Safety note

Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.

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