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Magic SysRq key

The magic SysRq ("System Request") 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 file system.

Applications, Other ways to invoke Magic SysRq & Commands

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Other ways to invoke Magic SysRq

Proc filesystemSerial break signalLoad averageXenKernel-based Virtual Machine
9 related topics

Commands

AltSysRqQWERTYDvorak keyboard layoutPrtScn
8 related topics

Uses

Journaled filesystemsGraphicalX Window System
3 related topics

Configuration

Sysctl
1 related topics

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Overview

Commands

Configuration

Uses

Other ways to invoke Magic SysRq

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Map overview Semantic statistics

Magic SysRq key

Nodes34
Edges33
Triples42
Avg. degree1.94
Density0.058824
Components1

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Magic SysRq key

Top relations

related to External links · 18
Magic SysRq key → Andrew, AP Lawrence, Archived, Developer, Documentation/sysrq, Gall, IBM, Kernel, Key Hacks, Lawrence, Linux, Linux Magic System Request, Magic, Morton, Retrieved, This, Tom, Tony
related to Uses · 11
Magic SysRq key → Another, Before, Debian, Linux, REISUB, RT-tasks, SysRq, The, Ubuntu, Window System, With
related to Other ways to invoke Magic SysRq · 7
Magic SysRq key → From, It, Magic SysRq, Many, SysRq, The, While
related to Configuration · 4
Magic SysRq key → On, On Ubuntu, SysRq, The

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Important terminology

sysrq key magic kernel system linux commands keyboard command used invoke alt may console sequence combination functionality use proc feature

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Ubuntuinstance ofThe default value of kernel.sysrq in distributions0.80text
Debian remains 176instance ofThe default value of kernel.sysrq in distributions0.80text
Magic SysRq keyrelated to ConfigurationThe0.60section
Magic SysRq keyrelated to ConfigurationOn0.60section
Magic SysRq keyrelated to ConfigurationSysRq0.60section
Magic SysRq keyrelated to ConfigurationOn Ubuntu0.60section
Magic SysRq keyrelated to External linksDocumentation/sysrq0.60section
Magic SysRq keyrelated to External linksLinux0.60section
Magic SysRq keyrelated to External linksRetrieved0.60section
Magic SysRq keyrelated to External linksLinux Magic System Request0.60section
Magic SysRq keyrelated to External linksKey Hacks0.60section
Magic SysRq keyrelated to External linksMorton0.60section

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