Difference in mongo --version and mongosh --version

In the Terminal, when i type in mongosh --version i get 1.0.7, but when i type mongo --version i get

Build Info: {
    "version": "5.0.2",
    "gitVersion": "6d9ec525e78465dcecadcff99cce953d380fedc8",
    "modules": [],
    "allocator": "system",
    "environment": {
        "distarch": "x86_64",
        "target_arch": "x86_64"
    }
}

Is there any problem in this, since mongosh and mongo are different versions? Can i normally use mongoDB?

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