| .. _QEMU monitor: | 
 |  | 
 | QEMU Monitor | 
 | ------------ | 
 |  | 
 | The QEMU monitor is used to give complex commands to the QEMU emulator. | 
 | You can use it to: | 
 |  | 
 | -  Remove or insert removable media images (such as CD-ROM or | 
 |    floppies). | 
 |  | 
 | -  Freeze/unfreeze the Virtual Machine (VM) and save or restore its | 
 |    state from a disk file. | 
 |  | 
 | -  Inspect the VM state without an external debugger. | 
 |  | 
 | Commands | 
 | ~~~~~~~~ | 
 |  | 
 | The following commands are available: | 
 |  | 
 | .. hxtool-doc:: hmp-commands.hx | 
 |  | 
 | .. hxtool-doc:: hmp-commands-info.hx | 
 |  | 
 | Integer expressions | 
 | ~~~~~~~~~~~~~~~~~~~ | 
 |  | 
 | The monitor understands integers expressions for every integer argument. | 
 | You can use register names to get the value of specifics CPU registers | 
 | by prefixing them with *$*. |