split - split a file into pieces
Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; 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.

-a, --suffix-length=N
use suffixes of length N (default 2)
-b, --bytes=SIZE
put SIZE bytes per output file
-C, --line-bytes=SIZE
put at most SIZE bytes of lines per output file
-d, --numeric-suffixes
use numeric suffixes instead of alphabetic
-l, --lines=NUMBER
put NUMBER lines per output file
print a diagnostic to standard error just before each output file is opened
display this help and exit
output version information and exit
SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.