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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. The function of the key combination differs depending on ...
Linux is ubiquitously found on various types of hardware. The Linux kernel is a widely ported operating system kernel, available for devices ranging from mobile phones to supercomputers; it runs on a highly diverse range of computer architectures, including ARM -based Android smartphones and the IBM Z mainframes.
In computing, pushd and popd are a pair of commands which allow users to quickly switch between the current and previous directory when using the command line. When called, they use a directory stack to sequentially save and retrieve directories visited by the user. [ 1][ 2] They are widely available as builtin commands in many command-line ...
The SysRq key. The magic SysRq key is a key combination understood by the Linux kernel, which allows the user to perform various low-level commands regardless of the system's state. It is often used to recover from freezes, or to reboot a computer without corrupting the filesystem. [ 1] Its effect is similar to the computer's hardware reset ...
Command Prompt, also known as cmd.exe or cmd, is the default command-line interpreter for the OS/2, [ 1] eComStation, ArcaOS, Microsoft Windows ( Windows NT family and Windows CE family ), and ReactOS [ 2] operating systems. On Windows CE .NET 4.2, [ 3] Windows CE 5.0 [ 4] and Windows Embedded CE 6.0 [ 5] it is referred to as the Command ...
passwd. passwd is a command on Unix, Plan 9, Inferno, and most Unix-like operating systems used to change a user's password. The password entered by the user is run through a key derivation function to create a hashed version of the new password, which is saved. Only the hashed version is stored; the entered password is not saved for security ...
GNU GRUB (short for GNU GRand Unified Bootloader, commonly referred to as GRUB) is a boot loader package from the GNU Project.GRUB is the reference implementation of the Free Software Foundation's Multiboot Specification, which provides a user the choice to boot one of multiple operating systems installed on a computer or select a specific kernel configuration available on a particular ...
chntpw has no support for fully encrypted NTFS partitions (the only possible exceptions to this are encrypted partitions readable by Linux such as LUKS), usernames containing Unicode characters, or Active Directory passwords (with the exception of local users of systems that are members of an AD domain). The password changing feature is also ...