Published at LXer:
If you are facing difficulty while systematically reading log files. Then you are in the right place. Simple doing cat to read log file is a kind basic way to inspect log file. But when you want to filter data in an organized way based on time, then we use awk or grep. The awk is a popular command-line tool used to manipulate data in files and generate a report based on a given pattern in the Linux System. While grep is simple pattern tool that search pattern using a regular expression.
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