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: 4.4.3 
Server: 4.2.11
Server: 4.0.22
Server: 3.6.21
Ops Manager: 4.4.7
Ops Manager: 4.2.22
Compass: 1.25.0
Connector for BI: 2.14.1
Charts: 19.12.2
Shell: 0.6.1
mongocli: 1.10.0
Tools: 100.2.1
Server: 4.2.11
Server: 4.0.22
Server: 3.6.21
Ops Manager: 4.4.7
Ops Manager: 4.2.22
Compass: 1.25.0
Connector for BI: 2.14.1
Charts: 19.12.2
Shell: 0.6.1
mongocli: 1.10.0
Tools: 100.2.1