Concept of Pipeline & Unix Command Part - 3

 

In this post we discuss following Unix Commands.

$ pg filename

$ head -n filename

$ tail -n filename

$ file file(s)

$ grep option string file(s)

 Concept of Pipeline :

If we want to run more than one command in one statement than we use pipeline concept. In pipeline output  of one pipe is input of another pipe. It is represented by ( | ).

$ who | wc -l

$ who | grep amit| wc -l

$ who | grep amit | tee aa | wc -l

For Read Detail and  More Commands Click here