Published at LXer:

Tr is a command line utility in Linux and Unix systems that translates, deletes and squeezes characters from the standard input and writes the result to the standard output. The tr command is usually used in combination with other commands through piping and can perform operations like removing repeated characters, converting uppercase to lowercase, and basic character replacing and removing. In this tutorial, we will show you how to use the tr command through practical examples and detailed explanations of the most common options.

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