Simplify data extraction using Linux text utilities

Much of Linux® system administration involves tediously combing through plain-text configuration files. Fortunately, Linux has a rich array of UNIX®-derived data extraction utilities, including head, tail, grep, egrep, fgrep, cut, paste, join, awk, and more. This article uses real-world examples that show how these simple command-line programs can make you a better sysadmin. This article looks at each data extraction utility and its options, applies them to typical files that are used in day-to-day work, and looks at how and why each tool is useful for pulling data from these files.

read more | digg story

Advertisements

Leave a Reply

Please log in using one of these methods to post your comment:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: