Cheat Sheet!
The good folks over in the MongoDB Developer Community today published a cheat sheet of basic MongoDB operations. Perfect for that MongoDB Hitchhiker looking to get started!
Gorilla Mongonius
Latest Versions
Server: 4.4.5 
Server: 4.2.13
Server: 4.0.23
Server: 3.6.23
Ops Manager: 4.4.11
Ops Manager: 4.2.23
Compass: 1.26.1
Connector for BI: 2.14.3
Charts: 19.12.2
Shell: 0.11.0
mongocli: 1.14.0
Tools: 100.3.1
Server: 4.2.13
Server: 4.0.23
Server: 3.6.23
Ops Manager: 4.4.11
Ops Manager: 4.2.23
Compass: 1.26.1
Connector for BI: 2.14.3
Charts: 19.12.2
Shell: 0.11.0
mongocli: 1.14.0
Tools: 100.3.1