Linux cli command setup

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command setup and provides detailed information about the command setup, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the setup.

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NAME 🖥️ setup 🖥️

setup devices and filesystems, mount root filesystem

LIBRARY

Standard C library (libc, -lc)

SYNOPSIS

#include <unistd.h>
[[deprecated]] int setup(void);

DESCRIPTION

setup() is called once from within linux/init/main.c. It calls initialization functions for devices and filesystems configured into the kernel and then mounts the root filesystem.

No user process may call setup(). Any user process, even a process with superuser permission, will receive EPERM.

RETURN VALUE

setup() always returns -1 for a user process.

ERRORS

EPERM
Always, for a user process.

STANDARDS

Linux.

VERSIONS

Removed in Linux 2.1.121.

The calling sequence varied: at some times setup() has had a single argument void *BIOS and at other times a single argument int magic.

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