If you are in an internet Browser that supports Tabbed Browsing, hitting the Ctrl + 2 command will navigate you to the second tab in your window.
The same command on a mac would be command key(cmd)+A any ctrl key command is the same as the cmd key on a mac
Ctrl and X.
computer
CTRL+Z is simply the shortcut key for the Undo command. To "undo your undo" so to speak, you must use the Redo command. Usually, the shortcut key for this is CTRL+Y.
ctrl+i is the keyboard shortcut of the Italic button.
Ctrl Y
Alt and Ctrl key are special keys. Then can be used as quick menu button or can be used to execute a program. You can also use them to do a shortcut key command.
Command W / CTRL W
On Windows, it is Ctrl + V. On Macs it is Apple + V
ctrl + Z Ctrl +Z is undo for everything
The nearest equivalent Meta key to a Mac's Command key on a Windows PC would be the Windows key although many of the Commands that use the Control key (on Windows) are performed with the Command key on the Mac.
The control key on a Windows machine is also called the Ctrl key. On a Mac the key with this kind of function is called Command key.