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The Xen hypervisor has functionality to send magic commands to hosted domains via its xm sysrq command. [15] Additionally, a SysRq command can be invoked from a Xen paravirtual console by sending a break sequence Ctrl+O followed by the desired key. Chromebooks have a keyboard but no dedicated SysRq key.
It also contains a command-line interface, which makes it easier to fix or modify GRUB if it is misconfigured or corrupt. [16] Loadlin is a bootloader that can replace a running DOS or Windows 9x kernel with the Linux kernel at run time. This can be useful in the case of hardware that needs to be switched on via software and for which such ...
A QWERTY keyboard layout with the position of Control, Alt and Delete keys highlighted. Control-Alt-Delete (often abbreviated to Ctrl+Alt+Del and sometimes called the "three-finger salute" or "Security Keys") [1] [2] is a computer keyboard command on IBM PC compatible computers, invoked by pressing the Delete key while holding the Control and Alt keys: Ctrl+Alt+Delete.
In an OS/2 dual-boot configuration, the C drive can contain both DOS and OS/2. The user issues the BOOT command [1] from the DOS or OS/2 command line to do the necessary copy, move and rename operations and then reboot to the specified system on C:. Other systems provide similar mechanisms for alternate systems on the same logical drive.
Kernel panic in Ubuntu 13.04 "Raring Ringtail" (Linux kernel 3.8) ... (execute_command) {if ... In 10.7 there is a feature to automatically restart after a kernel ...
A runlevel defines the state of the machine after boot. Different runlevels are typically assigned (not necessarily in any particular order) to the single-user mode, multi-user mode without network services started, multi-user mode with network services started, system shutdown, and system reboot system states.
The wsl.exe command accesses and manages Linux distributions in WSL via command-line interface (CLI) – for example via Command Prompt or PowerShell. With no arguments it enters the default distribution shell. It can list available distributions, set a default distribution, and uninstall distributions. [31]
The output of dmesg can amount to many complete screens. For this reason, this output is normally reviewed using standard text-manipulation tools such as more, tail, less or grep. [6] Size of the dmesg buffer is limited and the output is often captured in a permanent system logfile via a logging daemon, such as syslog.