If you need to find all the big files under the given folder, you can use `find` command.
If you have to find files that are smaller than a particular file size, you can use `find` command to do the job.
Counting lines of a text file can be done with a one simple Linux command `wc`, which stands for *word count*, but with parameter `-l` it counts also lines.
Counting words of a text file can be accomplished with a command `wc`, which stands for word count.
To count characters of a text file can be done with a `wc` command, which stands for *word count*, but you can count charactes as well.
When you need to count word occurences in a text file, you have at least two options: open the file in your favorite text editor and use its built-in tools, or do it directly from the terminal using some basic Linux commands such `grep` and `wc`.
There are many ways to find files from a Linux file system, but one useful method is to use `find` command with `grep`. This tutorial will explain this in more detail.
If you are not sure where the file could be found in your Linux file system, you can use efficient `locate` command. It store information about file locations in embedded database, so locating any file is very fast.
You can find and replace text within a file or multiple files with a single one-liner in Linux. The command we are using is `sed`.
It is very useful to know how to export MySQL database from Linux command line by using `mysqldump`. You just need to know MySQL user's username and password, and the database name that you want to export.