As a noob where do I find more handy tips like this? Alone with handy/popular apps?
Almost every windows app I had was on Linux (most were FOSS already) but I know there will be some unique or interesting ones.
For example in android there is Obtanium now to update apps direct from git, or the many was to use YT without ads.
This is not bad for a start (common commands):
https://linuxblog.io/90-linux-commands-frequently-used-by-linux-sysadmins/
Depending how deep you want to dive into Linux, there is a great ebooks collection available:
https://www.humblebundle.com/books/linux-for-seasoned-admins-oreilly-books