expr command in Linux means Evaluate expressions.

Syntax
expr EXPRESSION
expr OPTION
On the man page, the describes it
- expr – evaluate expressions.
- man expr – More details information about expr command.
expr command in Linux with Examples
$ expr 20 \+ 2
$ expr 20 \- 2
Conclusion
expr command is a simple command in Linux. It is the most popular in use terminal Linux evaluation expressions. Thank you for reading the DevopsRoles page!