You can use
xcrun simctl to create, boot, shutdown, erace iOS Simulators.
xcrun simctl list
It will list Device types and Devices on your machine like below.
== Device Types == ... iPhone Xs (com.apple.CoreSimulator.SimDeviceType.iPhone-XS) iPhone Xs Max (com.apple.CoreSimulator.SimDeviceType.iPhone-XS-Max) iPhone Xʀ (com.apple.CoreSimulator.SimDeviceType.iPhone-XR) iPhone 11 (com.apple.CoreSimulator.SimDeviceType.iPhone-11) iPhone 11 Pro (com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro) iPhone 11 Pro Max (com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro-Max) == Runtimes == iOS 13.3 (13.3 - 17C45) - com.apple.CoreSimulator.SimRuntime.iOS-13-3 tvOS 13.3 (13.3 - 17K446) - com.apple.CoreSimulator.SimRuntime.tvOS-13-3 == Devices == -- iOS 13.3 -- iPhone 8 (720065F5-64E0-4A4D-8C03-5F63C6B4DCD5) (Shutdown) iPhone 8 Plus (9B24700B-74B9-40CF-B3B1-7860DDA0D150) (Shutdown) iPhone 11 (F8D133DB-F5C1-49B7-895F-530293A86EC3) (Shutdown) iPhone 11 Pro (505672AC-62B4-4B7B-BEFE-38EB984966FD) (Shutdown) iPhone 11 Pro Max (3EC97701-9372-4667-B5E3-D24BB2C57393) (Booted) iPad Pro (11-inch) (D4DCE5AF-8F36-485D-93F2-4D2CA9ADD29A) (Shutdown) iPad Pro (12.9-inch) (3rd generation) (18B1984A-F910-4BFC-98B0-0661C9C2B120) (Shutdown) iPad Air (3rd generation) (6C9D75DC-9A1D-4ADA-80C8-B8D3BDC08E1E) (Shutdown)
You will use these UDUDs.
xcrun simctl boot 3EC97701-9372-4667-B5E3-D24BB2C57393
xcrun simctl shutdown 3EC97701-9372-4667-B5E3-D24BB2C57393
xcrun simctl shutdown booted
xcrun simctl io booted recordVideo ./screen_cast.mp4
xcrun simctl io booted screenshot ./screenshot.png
xcrun simctl io booted screenshot ./screenshot.jpg
xcrun simctl listapps booted
To list apps installed on the device.
path of app
xcrun simctl get_app_container booted <bundle identifier> data
Subcommands: create Create a new device. clone Clone an existing device. upgrade Upgrade a device to a newer runtime. delete Delete spcified devices, unavailable devices, or all devices. pair Create a new watch and phone pair. unpair Unpair a watch and phone pair. pair_activate Set a given pair as active. erase Erase a device's contents and settings. boot Boot a device. shutdown Shutdown a device. rename Rename a device. getenv Print an environment variable from a running device. openurl Open a URL in a device. addmedia Add photos, live photos, videos, or contacts to the library of a device. install Install an app on a device. uninstall Uninstall an app from a device. get_app_container Print the path of the installed app's container launch Launch an application by identifier on a device. terminate Terminate an application by identifier on a device. spawn Spawn a process by executing a given executable on a device. list List available devices, device types, runtimes, or device pairs. icloud_sync Trigger iCloud sync on a device. pbsync Sync the pasteboard content from one pasteboard to another. pbcopy Copy standard input onto the device pasteboard. pbpaste Print the contents of the device's pasteboard to standard output. help Prints the usage for a given subcommand. io Set up a device IO operation. diagnose Collect diagnostic information and logs. logverbose enable or disable verbose logging for a device status_bar Set or clear status bar overrides