split - split a file into pieces
split [OPTION] [INPUT [PREFIX]]
Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; default size is 1000 lines, and default PREFIX is ‘x’. With no INPUT, or when INPUT is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.
Written by Torbjorn Granlund and Richard M. Stallman.
Report bugs to <bug-coreutils@gnu.org>.
Copyright (C) 2006 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.
The full documentation for split is maintained as a Texinfo manual. If the info and split programs are properly installed at your site, the command
info split
should give you access to the complete manual.