wc – Count and Print the No. of Bytes, Words and LinesSummary: Print byte, word, and newline counts for each FILE, and a total line if more than one FILE is specified. With no FILE, or when FILE is -, read stdin. Examples:
$ wc -- Accept the input from stdio and count $ wc myfile -- Print the no .of bytes, words, lines in the file. $ wc -l myfile -- Print the newline counts only $ wc -w myfile -- Print the words count only $ wc -c myfile -- Print the bytes count only $ wc -L myfile -- Print the length of the longest line $ wc f1 f2 f3 -- Print the no .of bytes, words, lines in eachfile and also print the total. $ ls -1 | wc -l -- Print the no .of files present in the dir.
Read : man wc