find vs locate
In terms of searching files in Linux, two the most popular tools are
locate. Although there are significant differences between them.
locate -- find filenames quickly find -- walk a file hierarchy
locate program searches a regularly created database for all pathnames which match specified pattern. The database is updated by default once a day. This can be checked by looking for
mlocate file in
On the other hand,
find searches through the directory tree given in command.
find is slower, but it searches for files in real time and has much more flexibility if we have to apply complex filtering.
locate uses read-only database which has indexes of the directory structure. So it brings to searching for a string in a file.
Remember, if file does not appear in
locate search results, but do in
find, you can update
mlocate db manually by running