Linux Desktop Search
Searching in Linux starts those venerable command line favorites: find, grep, and locate. These tools are very powerful and can easily be integrated into scripts, but for many users, this usefulness is also one of their key weaknesses. These users require a graphical interface in order to be comfortable with a program. They don't want to have to remember syntax and drop out of another app to type commands. The new breed of Linux desktop search is all about bringing the functionality of the tried and true originals into the graphical world.
Classics
I'll start with a brief overview for those of you unfamiliar with the three programs I already mentioned. find is a very versatile app that allows you to search for any file by name, content, date, etc. It's very useful for small amounts of files, but can take a long time because it doesn't use a pregenerated index. locate addresses that issue and offers much of find's search functionality, but not all. grep is the classic script programmers tool because it looks within a file and returns the line a word, phrase, or expression appears on instead of the filename. All three programs are capable of using regular expressions as their search phrase.
Beagle
One of the most publicized of the new breed of Linux desktop search tools is Beagle.
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