truncate
$ truncate [--size size] [--reference file] <file>
--help
: Display help message and exit--version
: Print version-s size
, --size size
: Resize the target file to (or by) this size. Prefix with + or - to expand or shrink the file, or a bare number to set the size exactly-r file
, --reference file
: Resize the target file to match the size of this onefile
: File path