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tldr/pages/linux/setarch.md
Sebastiaan Speck 5a3c4ad081
setarch: add page (#16598) 
* setarch: add page

* Update setarch.md

Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>

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Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>
2025-05-25 14:03:03 +02:00

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setarch

Change the reported architecture for a program's execution, primarily used to modify how programs behave based on system architecture. Useful for compatibility testing or running legacy applications. More information: https://manned.org/setarch.8.

  • Run a command as if the machine architecture is i686 (useful for running 32-bit apps on a 64-bit kernel):

setarch i686 {{command}}

  • Run a shell with the x86_64 architecture:

setarch x86_64 {{bash}}

  • Disable randomization of the virtual address space:

setarch {{linux32}} {{[-R|--addr-no-randomize]}} {{command}}

  • List supported architectures:

setarch --list

  • Display help:

setarch {{[-h|--help]}}