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what happens when arch and uname -m give different results

February 24, 2025
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 |  information, linux, macos, server
arch: This command displays the architecture of the operating system kernel. uname -m: This command displays the architecture of the machine (hardware) on which you […]

create a program in .asm for x86_64 and run it

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 |  information, linux, macos, server
the file and the commands in the same location to see our architecture We will get: The executable is only to be run on computers […]

run a “hello world!” program on qemu x86_64 without OS or grub

February 23, 2025
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 |  algorithm, assembler, information
Hello world! means Hello world! but in Spanish program mundo.asm: This code is for x86 architecture in real mode (16-bit). first you need to install […]

know if i have bios or uefi

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 |  information, linux, macos, server
BIOS (Basic Input/Output System) is a firmware found on the motherboard of a computer. UEFI (Unified Extensible Firmware Interface) is a firmware that replaces the […]

emulate a program from one architecture to another

February 22, 2025
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 |  information, linux, macos, windows
QEMU (Quick Emulator) is an open source software that allows you to emulate different types of hardware and operating systems in a virtual machine. QEMU […]

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