lzip:tldr:1b95b

The command lzip -k ${filename} --fast is used to compress a file using the lzip compression algorithm.

Here's a breakdown of the command:

• lzip: It is the name of the command-line program being executed.
• -k: It is an option that tells lzip to keep the original file after compressing it. If this option is not used, the original file will be removed, and only the compressed file will remain.
• ${filename}: It is a placeholder for the actual name of the file you want to compress. You would replace ${filename} with the actual file name or path.
• --fast: It is an option that specifies the compression speed. It tells lzip to use a faster compression algorithm, even though it may result in a larger compressed file size. This option is used to prioritize speed over compression ratio.

To use this command, you would replace ${filename} with the path or name of the file you want to compress. For example, if you have a file named "example.txt" in the current working directory, you would run lzip -k example.txt --fast to compress it with lzip while keeping the original file.