I've recently downloaded a couple of packages through Software Manager (I run 17 MATE) and I can't find them in the Menu. The latest was memtester, which I expected to show up in System Tools, or Administration, but I can't find it anywhere, and it's not the first.
This command in a Terminal:
produces a list with memtester in it, but I can't find a way to make it work.
Thanks in advance.
I think you probably installed some terminal command line tools (cli) which won't show up in your menu, memetester is such a CLI tool.
If you remember which applications you installed, you can try to start them in the terminal.