This chapter introduces the use of pipes to connect streams of data from one utility program to another using STDIO . You will learn that the function of these programs is to transform the data in some manner. You will also learn about the use of redirection to redirect the data to a file.
I use the term “transform” in conjunction with these programs because the primary task of each is to transform the incoming data from STDIN in a specific way as intended by the SysAdmin and to send the transformed data to STDOUT for possible use by another transformer program or redirection ...
