head(1) - output the first part of files
Print  the  first 10 lines of each FILE to standard output.  With more than one FILE, precede each with a
header giving the file name.  With no FILE, or when FILE is -, read standard input.
-c, --bytes=[-]K
       print the first K bytes of each file; with the leading `-', print all but the last K bytes of each
       file
-n, --lines=[-]K
       print  the  first  K lines instead of the first 10; with the leading `-', print all but the last K
       lines of each file
-q, --quiet, --silent
       never print headers giving file names
-v, --verbose
       always print headers giving file names
--help display this help and exit
--version
       output version information and exit