```
bcftools sort
```

About:   Sort VCF/BCF file.
Usage:   bcftools sort [OPTIONS] <FILE.vcf>

Options:
    -m, --max-mem FLOAT[kMG]       maximum memory to use [768M]
    -o, --output FILE              output file name [stdout]
    -O, --output-type b|u|z|v      b: compressed BCF, u: uncompressed BCF, z: compressed VCF, v: uncompressed VCF [v]
    -O, --output-type u|b|v|z[0-9] u/b: un/compressed BCF, v/z: un/compressed VCF, 0-9: compression level [v]
    -T, --temp-dir DIR             temporary files [/tmp/bcftools.XXXXXX]

