:~> alsaequal
If 'alsaequal' is not a typo you can use command-not-found to lookup the package that contains it, like this:
cnf alsaequal
And…
:~> cnf alsaequal
alsaequal: command not found
:~> sudo zypper in alsaequal
Loading repository data...
Reading installed packages...
'alsaequal' is already installed.
No update candidate for 'alsaequal-0.7.1-bp154.1.22.x86_64'. The highest available version is already installed.
Resolving package dependencies...
Nothing to do.
:~> alsaequal
If 'alsaequal' is not a typo you can use command-not-found to lookup the package that contains it, like this:
cnf alsaequal
The difference between a software package name (which you try to install and it seems to be installed already) and the name of an executable you try to run from the shell?