vboxmanage-startvm
Start a virtual machine.
TLDR
Start a virtual machine
$ VBoxManage startvm [vm_name|uuid]
Start a virtual machine with the specified UI mode
$ VBoxManage startvm [vm_name|uuid] --type [headless|gui|sdl|separate]
Specify a password file to start an encrypted virtual machine
$ VBoxManage startvm [vm_name|uuid] --password [path/to/password_file]
Specify a password ID to start an encrypted virtual machine
$ VBoxManage startvm [vm_name|uuid] --password-id [password_id]
Start a virtual machine with an environment variable pair name value
$ VBoxManage startvm [vm_name|uuid] --put-env=[name]=[value]