ps under FreeBSD

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Hi,
I was playing with ps on FreeBSD with kern.ps_showallprocs=0 and I was
surprised when I have seen that I may see info about running process, if I
know it's ID

sirat@fremen:ttyp3:~> ps -u5710
USER    PID %CPU %MEM   VSZ  RSS  TT  STAT STARTED      TIME COMMAND
seeba  5710  0,0  0,0  1388    0  p6  IWsJ -         0:00,00 -tcsh (tcsh)

I may see also root's processes:
sirat@fremen:ttyp3:~> ps -u205
USER   PID %CPU %MEM   VSZ  RSS  TT  STAT STARTED      TIME COMMAND
root   205  0,0  0,1  2064  264  ??  IsJ   9:23     0:00,05 /usr/sbin/sshd


and ps axu gives:
sirat@fremen:ttyp3:~> ps axu
USER    PID %CPU %MEM   VSZ  RSS  TT  STAT STARTED      TIME COMMAND
sirat 40384  0,0  0,1   428  272  p3  R+J  18:53     0:00,00 ps axu
root    515  0,0  0,3  1744  600  ??  SsJ   9:26     0:19,97 screen
sirat   516  0,0  0,0  1404    0  p2  IWsJ -         0:00,00 /bin/tcsh
sirat   519  0,0  0,9  3996 1672  p2  S+J   9:26     0:51,67
/usr/local/bin/irs
sirat   588  0,0  0,5  1396  860  p0  IsJ   9:32     0:00,83 -tcsh (tcsh)
sirat  1467  0,0  0,4  1400  844  p3  SsJ   9:37     0:00,52 -tcsh (tcsh)
sirat  2183  0,0  0,0  1400    0  p5  IWs+J -         0:00,00 -tcsh (tcsh)
sirat  4491  0,0  0,1  1604  124  p1  S+J  13:59     0:00,13 screen -r
sirat 40359  0,0  0,9  2676 1660  p0  I+J  18:51     0:00,07 mutt
sirat 40365  0,0  0,2   648  448  p0  I+J  18:51     0:00,01 sh -c joe '/home/s
sirat 40366  0,0  0,5  1316  900  p0  S+J  18:51     0:00,12 joe /home/sirat/tm
sirat   467  0,0  0,0  1396    0  p1  IWsJ -         0:00,00 -tcsh (tcsh)

I think it may be seen as bug. What do You think?

P.S. I have FreeBSD 4.6-PRERELEASE #0 and I checked it also on 4.5-STABLE
P.P.S. It works like that: ps -<argument><pid> and the argument isn't needed

-- 
## Jakub Filonik <sirat@is.one.of.fremen.g0ds.org>
## ADM:  fremen.g0ds.org [213.25.59.48]
## PGP:  http://fremen.g0ds.org/~sirat/sirat-pub.pgp
## CHAT: [ICQ: 35638062] [GG: 533719] [IRC: #Tabr]

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