cmdok checks that specified commands are OK. If command is OK than it exists in PATH and can be run.
It is a simple, small and portable Bash script. It is useful in software packages that want to check that some commands exist before trying to run them.
See wiki for more information and examples.
'finddouble' application searches into a directory and all its sub directories.
If it finds several times the same file, a warning message is displayed, but no other action is taken.
It's main use is to help you optimize you disk usage.