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Single-user mode is a mode in which a multiuser computer operating system boots into a single superuser. It is mainly used for maintenance of multi-user environments such as network servers. Some tasks may require exclusive access to shared resources, for example running fsck on a network share. This mode can also be used for security purposes ...
Single-user mode, booted to system console only, with only root filesystem mounted (as read-only) s: Single-user mode, identical to S except the current terminal acts as the system console 1: Single-user mode with local filesystems mounted (read-write) 2: Multi-user mode with most daemons started and Common Desktop Environment launched 3
The Linux console (and Linux virtual consoles) are implemented by the VT (virtual terminal) subsystem of the Linux kernel, and do not rely on any user space software. [3] This is in contrast to a terminal emulator, which is a user space process that emulates a terminal, and is typically used in a graphical display environment.
A bootable device can be storage devices like floppy disk, CD-ROM, USB flash drive, a partition on a hard disk (where a hard disk stores multiple OS, e.g Windows and Fedora), a storage device on local network, etc. [7] A hard disk to boot Linux stores the Master Boot Record (MBR), which contains the first-stage/primary bootloader in order to be ...
User-mode Linux (UML) is a virtualization system for the Linux operating system based on an architectural port of the Linux kernel to its own system call interface, which enables multiple virtual Linux kernel-based operating systems (known as guests) to run as an application within a normal Linux system (known as the host).
Unix-based, Windows: terminal emulator implemented in Rust: Windows Console: Character: Local Windows: Windows command line terminal Windows Terminal: Character: Local Windows: Default terminal on Windows x3270 Block: tn3270: Multi-platform: x3270 is an open-source terminal emulator available for macOS, Linux and Windows xfce4-terminal ...
QEMU has multiple operating modes: [7] User-mode emulation. In the user emulation mode, QEMU runs single Linux or Darwin/macOS programs that were compiled for a different instruction set. System calls are thunked for endianness and for 32/64-bit mismatches. Fast cross-compilation and cross-debugging are the main targets for user-mode emulation.
The SYSLINUX bootloader can be used to boot multiple distributions from a single source such as a USB stick. [2] A minor complication is involved when booting from compact discs. The El Torito standard allows booting in two different modes: No emulation – Requires storing the boot information directly on the CD. ISOLINUX is suitable for this ...