
Others- DOS, Netware, L4, QNX, JROKITVE & other unknown.IBM OS/2- OS/2 Warp 3, 4, 4.5, ecomstation, Other OS2.Only the 1024x768 resolution is available in these. You cannot increase the screen resolution in the display options.

Display Settings of macOS can be found in System preferences > Display.

Oracle VM VirtualBox is the first product to provide the modern PC architecture expected by OS X without requiring any of the modifications used by competing. Note that this feature is experimental and thus unsupported.
#VIRTUALBOX MAC FULL SCREEN RESOLUTION MAC OS X#
After installing macOS on VirtualBox, the default screen resolution of the guest OS is 1024x768. Oracle VM VirtualBox enables you to install and execute unmodified versions of Mac OS X guests on supported host hardware.
#VIRTUALBOX MAC FULL SCREEN RESOLUTION HOW TO#

Expand Advanced Settings menu, then select Keep ratio from the Scale to fit screen drop-down. The OS/2 Guest Additions are located in the directory OS2. Go to your virtual machines configuration > Options > Full Screen. Mount the ISO in OS/2 as described previously. To install the Guest Additions for a particular VM, you mount this ISO?le in your VM as a virtual CD-ROM and install from there. The VirtualBox Guest Additions for all supported guest operating systems are pro- vided as a single CD-ROM image?le which is called VBoxGuestAdditions.iso.
