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one of my favorite command line utilities is a program called awk awk is a text processing utility that means you give it some text and it can grab certain columns certain rows certain fields from that text for you you can tell it to go search for a certain string patterns in the text and even replace those string patterns with other strings its a really powerful program and its one i use all the time i probably overuse awk i use awk everywhere especially in my shell scripting because im really comfortable with it and its one of those programs that once you learn awk you wonder why you didnt learn it sooner because its such a powerful program so let me switch over to a terminal emulator and lets play around a little bit with awk so im going to run the ps command just because this command gives us some output that we can manipulate the text a little bit with and its nice and in columns and thats kind of what we want columned information because then alt can go in and grab cert