Пользовательский debian ISO

du -sk ./* | sort -nr | \
awk 'BEGIN{ pref[1]="K"; pref[2]="M"; pref[3]="G";} \
     { total = total + $1; x = $1; y = 1; \
       while( x > 1024 ) { x = (x + 1023)/1024; y++; } \
       printf("%g%s\t%s\n",int(x*10)/10,pref[y],$2); } \
    END { y = 1; while( total > 1024 ) { total = (total + 1023)/1024; y++; } \
          printf("Total: %g%s\n",int(total*10)/10,pref[y]); }'

Милая...