Equivalents On Various Platforms
| Platform | Key combination | Function |
|---|---|---|
| Acorn Machines (pre-1987) | Break | Processor reset, although confusingly always referred to as soft reset. Hold down Ctrl as well for so-called hard reset (reinitializes various settings); hold down Shift to boot from disk (or not to, if disk is the default). |
| Acorn and post-Acorn RISC OS machines. | Reset button | Processor reset, although confusingly always referred to as soft reset. Hold down Ctrl as well for so-called hard reset (reinitializes various settings); hold down Shift to boot from disk (or not to, if disk is the default). Hold down various other keys to restore CMOS settings to safe configurations. |
| Ctrl+Break | Perform a soft reboot. | |
| Amiga | Ctrl+Left Amiga (or Commodore)+Right Amiga | Hard reset. The reset will be instant unless a specific hardware delay function has been activated. |
| Amstrad CPC 464 and CPC6128 | Ctrl+⇧ Shift+⎋ Esc | Reset (cold) |
| Amstrad PCW | ⇧ Shift+Extra+Exit | Reset (cold) |
| ⇧ Shift+Extra+Relay | Warm boot from the currently-inserted floppy disc. Is able to boot from discs in LocoScript installer format, which cannot be loaded by the normal ROM loader. | |
| Atari ST | Ctrl+⎇ Alt+⌦ Del | Soft reset. Under FreeMiNT >= 1.16 it won't be instant, disk partitions are unmounted first. Ctrl + Alt + Shift + Del will perform hard reset. |
| BlackBerry | ⎇ Alt+Right shift+⌦ Del | Soft reboot. |
| IBM PC under DOS | Ctrl+⎇ Alt+⌦ Del | Perform a soft reboot |
| IBM PC under Windows 3.x shell | Ctrl+⎇ Alt+⌦ Del | Close unresponsive applications or (if pressed twice) perform a soft reboot |
| IBM PC under Microsoft Windows (95, 98, and Me) | Ctrl + Alt + Del | Bring up simplistic task manager (actually "Close Program" dialog) or (if pressed twice) perform a soft reboot |
| IBM PC under Windows NT-based OS (NT, 2000, XP, 2003, Vista and Windows 7) | Ctrl+⇧ Shift+⎋ Esc | Bring up the Windows Task Manager |
| Ctrl + Alt + Del | Also known as the Secure Attention Sequence; bring up the logins screen (when pressed in login screen), or the "Windows security" dialog or (configurable on Windows 2000 and later) the Windows Task Manager (when logged in) | |
| IBM PC under OS/2 | Ctrl+⎋ Esc | Bring up the Window List (unblocking the synchronous input queue) |
| Ctrl + Alt + Del | Perform a soft reboot | |
| Ctrl+⎇ Alt NumLock (twice) | Halt the system and begin a system dump to floppy disk | |
| IBM PC under Linux | Ctrl + Alt + Del | Signal the init process (usually configured to soft reboot) |
| ⎇ Alt+SysRq+function key | Magic SysRq key: Depending on the function key, performs a certain low-level function. Examples: sync (flush caches), reboot (forced soft reboot), unmount (remount filesystems readonly), etc... | |
| IBM PC under other OS | Ctrl+⎇ Alt+⌦ Del | Often (but not always) configured to reboot |
| Sinclair ZX Spectrum | Break | Halted peripheral (cassette tape or printer) operations with the report D BREAK – CONT repeats, or halted BASIC programs with the report L BREAK into program. |
| Sun workstation | L1/Stop+A | Enter ROM monitor |
| Sun workstation (serial console) | Break | Enter ROM monitor |
| Alphas running OpenVMS | Ctrl+P | Enter ROM Serial Console or reboot, depending on setting in SRM |
| Apple II series machines | Ctrl+Reset | Enter the monitor or ROM BASIC |
| Ctrl+Open Apple+Reset | Reboot the machine | |
| Ctrl+Option (Closed Apple)+Reset | Enter BIOS setup, then reboot | |
| Ctrl+Option (Closed Apple)+Open Apple+Reset | Self-test, then reboot | |
| Ctrl+Open Apple+⎋ Esc | Kill application | |
| Apple Macintosh computers with power button on keyboard | ⌘ Command+Power | Enter debugger |
| Control+⌘ Command+Power (sometimes known as a "Control Flower Power") | Reboot the machine | |
| Mac OS (7 and later) | ⌥ Option+⌘ Command+⎋ Esc | Force quit applications |
| S60 Platform (used on some mobile phones such as Nokia smartphones) | Green (call answer)+*+3 (while restarting the phone) | Wipes internal memory and resets the device |
| SGI workstation | Left Shift+Left Ctrl+Left Alt+Keypad Divide+F12 | Restart X server (same as Ctrl + Alt + Backspace below). Nicknamed "the death-grip" due to the contorted finger positions. |
| Commodore 64 & Vic-20 | Run/Stop+Restore | Halt (soft reconfiguration) and return to READY prompt |
| Commodore 128 | Reset | Reset to power on state in current mode |
| Commodore+Reset | Reset to C-64 mode | |
| Run/Stop+Reset | Reset to ML monitor preserving contents of BASIC memory | |
| X Window System | Ctrl+⎇ Alt+← Backspace | Immediately kills the X server (the key can be disabled). When using an X Display Manager, it will usually start the X server again. |
| TI-30XIIS | On+Clear | Restarts the calculator and clears RAM |
| TI-80, TI-81, TI-82, TI-83, TI-84 | Mode, Alpha, S | Shows ROM version number. enters self test mode |
| TI-85, TI-86 | Mode}, Alpha, S | Shows ROM version number. enters self test mode |
| TI-89 | 2nd+Left Arrow+Right Arrow+On | Restarts the calculator and clears RAM
Esc + On Force Break without restarting RAM |
| Many Natural Display Casio Calculators | ⇧ Shift+7+On | Restarts the calculator and clears RAM and EEPROM.
Continue pressing Shift to advance through self-test mode. |
| TI-99/4A | FCTN+-++ | Resets machine back to startup screen. |
| Voyage 200 | 2nd+Hand+On | Restarts the calculator and clears RAM |
| HP-48 | On+C | Restarts RPL, clearing the Stack and PICT, closing IO, and returning to the HOME directory (but not purging the memory) |
| On+A+F | As above, but also purges the memory | |
| BeOS | Ctrl+⎇ Alt+⇧ Shift and click an applications entry in the Deskbar | Kills application |
| Zenith IBM PC clones | Ctrl+⎇ Alt+Ins | Brings up hardware configuration menu |
| Scientific Atlanta Explorer DHCT | Volume Down+Volume Up+Info (on settop box; not remote) | Reboots box (starts up to blue EXPLORER screen) |
| Olivetti M20 | Ctrl+Reset | Soft resets the machine |
| TI Explorer Lisp Machine | Left-Ctrl Left-Meta Right-Ctrl Right-Meta Abort | Restart the system |
| Xfce | Ctrl+⎇ Alt+⎋ Esc + click on window | Kill application |
| Foxtel Set-top-boxes | Back+Select (on box; not remote) (except UEC 720). Standby+Foxtel (on box; not remote) (UEC 720). Back+Select+Reset (on box; not remote) (iQ2) | Power cycles the machine. Pressing, Up, Down, when lights illuminate on box forces firmware update. |
| iPod nano 3rd Generation | Play/Pause+Center button (hold down until Apple logo shows) | Reboots the iPod to the Apple logo that you see when you turn the iPod on for the first time. |
| iPod nano 4th Generation | ≣ Menu+Center button (hold down until Apple logo shows) | Reboots the iPod to the Apple logo that you see when you turn the iPod on for the first time. |
| iPod Touch, iPhone, and iPad | Top Power Button+Center Home Button (hold down until Apple logo shows) | Reboots the iPod, iPhone, or iPad to the Apple logo that you see when you turn the device on for the first time. |
| Hold down top Power button until the Power Off screen appears, then release the power button and hold down the Home button | Force current application to background and go back to Home screen. Apps are already dead (on iOS < 4) or can be quitted using Fast App Switch bar (on iOS ≥4) after that. | |
| Android devices, particularly the Nexus One | Track ball+volume down+power, all held down until power off | reboot normally if all buttons are released; reboot into bootloader if the volume down button is continuously held |
| (from power off) volume down (held continuously) + Power button | Enter the bootloader | |
| ⎇ Alt+⇧ Shift+⌦ Del (on the device's hardware keyboard, if available) | Reboots the device, particularly the Motorola Droid and its successor |
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