wc(1)

NAME
     wc - count characters, words, and lines in a file

SYNOPSIS
     wc [-clw] file ...

OPTIONS

     -c   Print character count

     -l   Print line count

     -w   Print word count

EXAMPLES

     wc file1 file2      # Print all three counts for both files

     wc -l file          # Print line count only

DESCRIPTION

     Wc reads each argument and computes the number of characters,  words  and
     lines  it  contains.   A word is delimited by white space (space, tab, or
     line feed).  If no flags are present, all three counts are printed.