HEAD(1) HEAD(1) head - head []... []... 10 "-" -c, --bytes=[-]NUM NUM '-' NUM -n, --lines=[-]NUM NUM 10 '-' NUM -q, --quiet, --silent -v, --verbose -z, --zero-terminated NUL --help --version NUM b 512kB 1000K 1024MB 1000*1000M 1024*1024, GB 1000*1000*1000G 1024*1024*1024TPEZY KiB=KMiB=M David MacKenzie Jim Meyering GNU coreutils Copyright (C) 2022 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later . tail(1) info '(coreutils) head invocation' man man https://github.com/man-pages-zh/manpages- zh GNU coreutils 9.1 20229 HEAD(1)