What does in_d and in_c mean in the Unix TOP command output?

Question

When I run TOP on my Unix box - what does the in_d and in_c mean?

12k in_d, 12392k in_c

I am running Redhat 9.

Thanks...

10:55:20 up 189 days, 23:25, 4 users, load average: 0.17, 0.09, 0.11
99 processes: 97 sleeping, 2 running, 0 zombie, 0 stopped
CPU states: 0.7% user 0.5% system 0.0% nice 0.0% iowait 98.6% idle
Mem: 772284k av, 759680k used, 12604k free, 0k shrd, 186532k buff
557240k actv, 12k in_d, 12392k in_c
Swap: 3068372k av, 43592k used, 3024780k free 440796k cached

Answer 1

The in_d means a process inactive dirty and the in_c means an inactive clean one.

You should be able to see which is which with ps -aux and check all processes.
You may also see them with top -c