Chown ???

[psmith]

Alan Cox wrote:
>> I was at BTL in the very early '80s.  Writing kernel mods and drivers
>> for Unix, and teaching Unix internals to BTL employees.  It's always been
>> "superuser".  I don't know where anyone got this lame "substitute user"
>> stuff, but it's not authentic.
>>     
>
> To quote the V7 manual page
>
> -su  \-  substitute user id temporarily
>
>
> So although a lot of people believe su is superuser, they are wrong. 
>
> Alan
>
>   
from UNIX V6[1]

$ cat su.c
/* su -- become super-user */

char    password[100];
char    pwbuf[100];
int     ttybuf[3];
main()
{
	register char *p, *q;
	extern fin;

	if(getpw(0, pwbuf))
		goto badpw;
	(&fin)[1] = 0;
	p = pwbuf;
	while(*p != ':')
		if(*p++ == '\0')
			goto badpw;
	if(*++p == ':')
		goto ok;





[1]http://www.roesler-ac.de/wolfram/acro/credits.htm#2