But have you heard of the tac command in #Linux?

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So you've overused and abused the cat command.

But have you heard of the tac command?

The tac command is like the cat command but it print the contents of a file in reverse order, with the last line of the file appearing first and the first line appearing last.

There are several reasons why you might use the tac command:

Reversing the order of a file: Sometimes you may want to see the contents of a file in reverse order, such as when you want to see the most recent entries in a log file first. The tac command is a quick and easy way to do this.

Reverse order printing of multiple files: If you have multiple files that you want to print in reverse order, the tac command can be used to do this quickly and easily.

Manipulating output from other commands: The tac command can be used to manipulate the output from other commands that produce output in a linear fashion. For example, if you use the ls command to list files, you can pipe the output to tac to reverse the order of the list.

Simplify code: Instead of writing a script or a program to reverse the order of a file or its contents, using tac is often simpler and more efficient.

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