--- syntax: markdown tags: [tldr, common] source: https://github.com/tldr-pages/tldr.git --- # zstd > Compress or decompress files with Zstandard compression. > More information: . - Compress a file into a new file with the `.zst` suffix: `zstd {{path/to/file}}` - Decompress a file: `zstd {{[-d|--decompress]}} {{path/to/file.zst}}` - Decompress to `stdout`: `zstd {{[-d|--decompress]}} {{[-c|--stdout]}} {{path/to/file.zst}}` - Compress a file specifying the compression level, where 1=fastest, 19=slowest, and 3=default: `zstd -{{level}} {{path/to/file}}` - Compress a file using an ultra-fast compression level, where 1=default: `zstd --fast={{level}} {{path/to/file}}` - Unlock higher compression levels (up to 22) using more memory (both for compression and decompression): `zstd --ultra -{{level}} {{path/to/file}}` - Set the number of working threads to the number of physical CPU cores: `zstd {{[-T|--threads]}} 0`