<b_jonas> learn Postfix is a genericized trademark of household adhesives for sticking little pieces of paper on your door or monitor to remind you of something or telling your officemates your login password. Called Tack-it in the U.S.

char s[99],*p[9],**q;main(){for(;q=p,*q++=strtok(gets(s)," ");fork()||execvp(*p,p),wait(0))for(;*q++=strtok(0," "););}