restart the computer in rust

To restart the computer from a Rust program, we can use the "std::process::Command" struct to run the appropriate system command. In most cases, the "system" command should work for restarting the computer.

main.rs
use std::process::Command;

fn main() {
    let output = Command::new("system")
        .arg("reboot")
        .output()
        .expect("failed to execute process");

    println!("status: {}", output.status);
    println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
    println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
}
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The above code uses Command::new("system") to create a new command with the system program, which should be available on most Unix-based systems. We pass the reboot argument to the command to specify that we want to reboot the system. We then use the output() method to execute the command and capture its output.

The output of the command is returned as a std::process::Output struct, which contains the status code of the command, as well as any output that was sent to stdout or stderr. We use println!() to print these values to the console.