1. 语法与选项

Short Option	Long Option	Option Description
-c	–bytes	print the byte counts
-m	–chars	print the character counts
-l	–lines	print the newline counts
	–files0-from=F	read input from the files specified by NUL-terminated names in file F
-L	–max-line-length	print the length of the longest line
-w	–words	print the word counts

2. 实例

   打印文件的行数，单词数，字符串数

$wc file

结果：

X  Y  Z  file#X 行数#Y 单词数#Z 字符数

 

单独打印行数

$ wc -l file