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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]}}`