Linux expr Command

In this tutorial we learn how to use expr commmand in Linux. expr command is expr - evaluate expressions
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What is Linux expr Command?

In this tutorial we learn how to use expr command in Linux. expr command is expr - evaluate expressions

expr Syntax

       expr EXPRESSION
       expr OPTION

expr Examples

expr Command Manual / Help

We can use man and info command to see the manual page of expr command.

expr command also have --help option to show list of options.

To open man page for expr command we can use command below. To exit man or info page you can press q.

man expr

To open info page for expr command we can use command below.

info expr

To open help page from expr command we can run command below.

expr --help

Linux expr Command Source Code

You can find expr command source code from the folowing repositories:

You can read tutorials of related Linux commands below:

Summary

In this tutorial we learn how to use expr in Linux with practical examples. Visit our Linux Commands guide to learn more about using command line interface in Linux.