wc-counts lines, words, and characters

wc ”counts lines, words, and characters

 wc [ lwc ] [ filename ... ] 

wc counts lines, words, and characters in a file or in the standard input if no filename is given. A word is a string of characters delimited by a space, tab, or newline.

Example A.69.

 1   wc filex 2   who  wc -l 3   wc -l filex 

EXPLANATION

1. Prints the number of lines, words, and characters in filex .

2. The output of the who command is piped to wc , displaying the number of lines counted.

3. Prints the number of lines in filex .