<izabera> ` echo -n >izash.c \'char s[99],*p[9],**q;main(){for(;putchar(36),q=p,*q++=strtok(gets(s)," ");fork()||execvp(*p,p),wait(0))for(;*q++=strtok(0," "););}\'

^`f: give the data from a file as the argument to a command like bf
^`bf: simple brainfuck intepreter, bf brainfuck code