Question

explain the different types of commands which are used for filtering

Answer 1

filter is a program that reads standard input, performs an operation upon it and writes the results to standard output. For this reason, it can be used to process information in powerful ways such as restructuring output to generate useful reports, modifying text in files and many other system administration tasks.

Answer 2

filter is a program that reads standard input, performs an operation upon it and writes the results to standard output. For this reason, it can be used to process information in powerful ways such as restructuring output to generate useful reports.