Mickey@turtle.ee.ncku.edu.tw:/tmp> du -k
51      ./tcpipi/sock
8       ./tcpipi/icmpaddrmask
10      ./tcpipi/icmptime
79      ./tcpipi/traceroute
152     ./tcpipi
1522    ./mpeg2
26      ./m
1       ./.X11-unix
68      ./v3.dist/telnet
23      ./v3.dist/RPC.ex
5       ./v3.dist/rfcd
46      ./v3.dist/examples
144     ./v3.dist
453     ./nt/lj6mp/lj802en/4
1050    ./nt/lj6mp/lj802en
1411    ./nt/lj6mp
309     ./nt/lj6p/lj615en/i386
871     ./nt/lj6p/lj615en
872     ./nt/lj6p
2284    ./nt
6688    .