#installing mongodb
sudo apt-get install mongodb-server

#start service
sudo service mongodb start

#stop service
sudo service mongodb stop

#enter into mongodb console
mongo

#show all database
show dbs
admin  0.000GB
local  0.000GB

#use or create a databse
> use todo
switched to db todo

#show all collection in database
> show collections
todo
>

#clear screen
> cls

#create a collection
> db.createCollection("list")
{ "ok" : 1 }
>
>

#insert a document into collection
> db.list.insert({name: "buy groceries from publix"})
WriteResult({ "nInserted" : 1 })

> db.list.insert({name: "wash the car and change oil"})
WriteResult({ "nInserted" : 1 })
>

#list all document in a collection
> db.list.find()
{ "_id" : ObjectId("5a9ff4f2ad855d1ec4a5bc73"), "name" : "buy groceries from publix" }
{ "_id" : ObjectId("5a9ff4ffad855d1ec4a5bc74"), "name" : "wash the car and change oil" }

#display documents in collection json formatted with pretty()
> db.list.find().pretty()
{
	"_id" : ObjectId("5a9ff4f2ad855d1ec4a5bc73"),
	"name" : "buy groceries from publix"
}
{
	"_id" : ObjectId("5a9ff4ffad855d1ec4a5bc74"),
	"name" : "wash the car and change oil"
}
>

#remove document from collection
> db.list.remove({name: "buy groceries from publix"})
WriteResult({ "nRemoved" : 1 })
>

#drop collection
> db.list.drop()
true
>

#drop database
> db.dropDatabase()
{ "dropped" : "todo", "ok" : 1 }
>