ultrix man page for split

split(1)						      General Commands Manual							  split(1)

Name
       split - split file into smaller files

Syntax
       split [-n] [file [name]]

Description
       The  command  reads  file and writes it in n-line pieces (default 1000), as many as necessary, onto a set of output files.  The name of the
       first output file is name with aa appended, and so on lexicographically.  If no output name is given, x is default.

       If no input file is given, or if - is given in its stead, then the standard input file is used.

Options
       -    Uses standard input.

       -n   Writes specified number of lines to each output file.  Default is 1000.

																	  split(1)