csplit(1) - split a file into sections determined by context lines
-b, --suffix-format=FORMAT
       use sprintf FORMAT instead of %02d
-f, --prefix=PREFIX
       use PREFIX instead of `xx'
-k, --keep-files
       do not remove output files on errors
-n, --digits=DIGITS
       use specified number of digits instead of 2
-s, --quiet, --silent
       do not print counts of output file sizes
-z, --elide-empty-files
       remove empty output files
--help display this help and exit
       output version information and exit