Jan Kończak

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==== ps_pstree ====
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<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps
  PID TTY          TIME CMD
  741 pts/5    00:00:00 ash
  742 pts/5    00:00:00 ps
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps -e
  PID TTY          TIME CMD
    1 ?        00:00:00 init
  270 ?        00:00:00 syslogd
  298 ?        00:00:00 crond
  401 ?        00:00:00 udhcpc
  444 pts/0    00:00:00 getty
  445 pts/1    00:00:00 login
  633 ?        00:00:00 sshd
  659 pts/1    00:00:00 ash
  697 pts/1    00:00:00 perl
  723 pts/1    00:00:00 top
  738 ?        00:00:00 sshd-session
  740 ?        00:00:00 sshd-session
  741 pts/5    00:00:00 ash
  743 pts/5    00:00:00 ps
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps -el
F S   UID   PID  PPID  C PRI  NI ADDR SZ WCHAN  TTY          TIME CMD
4 S     0     1     0  0  80   0 -   406 -      ?        00:00:00 init
4 S     0   270     1  0  80   0 -   410 -      ?        00:00:00 syslogd
0 S     0   298     1  0  80   0 -   406 -      ?        00:00:00 crond
5 S     0   401     1  0  80   0 -   406 -      ?        00:00:00 udhcpc
0 S     0   444     1  0  80   0 -   406 -      pts/0    00:00:00 getty
0 S     0   445     1  0  80   0 -   406 -      pts/1    00:00:00 login
5 S     0   633     1  0  80   0 -  1543 -      ?        00:00:00 sshd
4 S  1000   659   445  0  80   0 -   427 do_wai pts/1    00:00:00 ash
0 S  1000   697   659  0  80   0 -  1605 futex_ pts/1    00:00:00 perl
0 S  1000   723   659  0  80   0 -   927 do_sel pts/1    00:00:00 top
4 S     0   738   633  0  80   0 -  1659 -      ?        00:00:00 sshd-session
5 S  1000   740   738  0  80   0 -  1734 -      ?        00:00:00 sshd-session
0 S  1000   741   740  0  80   0 -   427 do_wai pts/5    00:00:00 ash
0 R  1000   744   741  0  80   0 -   639 -      pts/5    00:00:00 ps
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 21:13 ?        00:00:00 /sbin/init
root       270     1  0 21:13 ?        00:00:00 /sbin/syslogd -t -n
root       298     1  0 21:13 ?        00:00:00 /usr/sbin/crond -c /etc/crontabs -f
root       401     1  0 21:13 ?        00:00:00 /sbin/udhcpc -b -R -p /var/run/udhcpc.eth0.pid -i eth0 -x hostname:temp
root       444     1  0 21:13 pts/0    00:00:00 /sbin/getty 38400 console
root       445     1  0 21:13 pts/1    00:00:00 /bin/login -- user
root       633     1  0 21:17 ?        00:00:00 sshd: /usr/sbin/sshd [listener] 0 of 10-100 startups
user       659   445  0 21:19 pts/1    00:00:00 -ash
user       697   659  0 21:32 pts/1    00:00:00 perl ./myScript.pl
user       723   659  0 21:36 pts/1    00:00:00 top
root       738   633  0 21:38 ?        00:00:00 sshd-session: user [priv]
user       740   738  0 21:39 ?        00:00:00 sshd-session: user&#64;pts/5
user       741   740  0 21:39 pts/5    00:00:00 -ash
user       745   741  0 21:39 pts/5    00:00:00 ps -ef
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps -Tef
UID        PID  SPID  PPID  C STIME TTY          TIME CMD
root         1     1     0  0 21:13 ?        00:00:00 /sbin/init
root       270   270     1  0 21:13 ?        00:00:00 /sbin/syslogd -t -n
root       298   298     1  0 21:13 ?        00:00:00 /usr/sbin/crond -c /etc/crontabs -f
root       401   401     1  0 21:13 ?        00:00:00 /sbin/udhcpc -b -R -p /var/run/udhcpc.eth0.pid -i eth0 -x hostname:temp
root       444   444     1  0 21:13 pts/0    00:00:00 /sbin/getty 38400 console
root       445   445     1  0 21:13 pts/1    00:00:00 /bin/login -- user
root       633   633     1  0 21:17 ?        00:00:00 sshd: /usr/sbin/sshd [listener] 0 of 10-100 startups
user       659   659   445  0 21:19 pts/1    00:00:00 -ash
user       697   697   659  0 21:32 pts/1    00:00:00 perl ./myScript.pl
user       697   698   659  0 21:32 pts/1    00:00:00 perl ./myScript.pl
user       723   723   659  0 21:36 pts/1    00:00:00 top
root       738   738   633  0 21:38 ?        00:00:00 sshd-session: user [priv]
user       740   740   738  0 21:39 ?        00:00:00 sshd-session: user&#64;pts/5
user       741   741   740  0 21:39 pts/5    00:00:00 -ash
user       746   746   741  0 21:39 pts/5    00:00:00 ps -Tef
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps -Hef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 21:13 ?        00:00:00 /sbin/init
root       270     1  0 21:13 ?        00:00:00   /sbin/syslogd -t -n
root       298     1  0 21:13 ?        00:00:00   /usr/sbin/crond -c /etc/crontabs -f
root       401     1  0 21:13 ?        00:00:00   /sbin/udhcpc -b -R -p /var/run/udhcpc.eth0.pid -i eth0 -x hostname:temp
root       444     1  0 21:13 pts/0    00:00:00   /sbin/getty 38400 console
root       445     1  0 21:13 pts/1    00:00:00   /bin/login -- user
user       659   445  0 21:19 pts/1    00:00:00     -ash
user       697   659  0 21:32 pts/1    00:00:00       perl ./myScript.pl
user       723   659  0 21:36 pts/1    00:00:00       top
root       633     1  0 21:17 ?        00:00:00   sshd: /usr/sbin/sshd [listener] 0 of 10-100 startups
root       738   633  0 21:38 ?        00:00:00     sshd-session: user [priv]
user       740   738  0 21:39 ?        00:00:00       sshd-session: user&#64;pts/5
user       741   740  0 21:39 pts/5    00:00:00         -ash
user       747   741  0 21:39 pts/5    00:00:00           ps -Hef
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> pstree
init─┬─crond
     ├─getty
     ├─login───ash─┬─perl───{perl}
     │             └─top
     ├─sshd───sshd-session───sshd-session───ash───pstree
     ├─syslogd
     └─udhcpc
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> pstree -hup
<span style="font-weight:bold;color:#7f7f7f;">init(1)</span>─┬─crond(298)
        ├─getty(444)
        ├─login(445)───ash(659,user)─┬─perl(697)───{perl}(698)
        │                            └─top(723)
        ├─<span style="font-weight:bold;color:#7f7f7f;">sshd(633)</span>───<span style="font-weight:bold;color:#7f7f7f;">sshd-session(738)</span>───<span style="font-weight:bold;color:#7f7f7f;">sshd-session(740,user)</span>───<span style="font-weight:bold;color:#7f7f7f;">ash(741)</span>───<span style="font-weight:bold;color:#7f7f7f;">pstree(750)</span>
        ├─syslogd(270)
        └─udhcpc(401)
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> pstree -a
init
  ├─crond -c /etc/crontabs -f
  ├─getty 38400 console
  ├─login -- user
  │   └─ash
  │       ├─perl ./myScript.pl
  │       │   └─{perl}
  │       └─top
  ├─sshd
  │   └─sshd-session
  │       └─sshd-session
  │           └─ash
  │               └─pstree -a
  ├─syslogd -t -n
  └─udhcpc -b -R -p /var/run/udhcpc.eth0.pid -i eth0 -x hostname:temp
</pre></html>
  
  
  
==== zombie ====

<html><pre style="line-height:1em">
<span style="font-weight:bold;color:#7f7f7f;"></span><span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps -t tty1
  PID TTY          TIME CMD
  445 pts/1    00:00:00 login
  659 pts/1    00:00:00 ash
  798 pts/1    00:00:00 perl
  799 pts/1    00:00:00 fortune
<span style="font-weight:bold;color:#7f7f7f;"></span><span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps -l -t tty1
F S   UID   PID  PPID  C PRI  NI ADDR SZ WCHAN  TTY          TIME CMD
0 S     0   445     1  0  80   0 -   406 -      pts/1    00:00:00 login
4 S  1000   659   445  0  80   0 -   427 do_wai pts/1    00:00:00 ash
0 S  1000   798   659  0  80   0 -  1244 hrtime pts/1    00:00:00 perl
0 <b>Z</b>  1000   799   798  0  80   0 -     0 -      pts/1    00:00:00 fortune
<span style="font-weight:bold;color:#7f7f7f;"></span><span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps -f -t tty1
UID        PID  PPID  C STIME TTY          TIME CMD
root       445     1  0 21:13 pts/1    00:00:00 /bin/login -- user
user       659   445  0 21:19 pts/1    00:00:00 -ash
user       798   659  0 21:49 pts/1    00:00:00 perl -e open(my $fh, &quot;fortune -s|&quot;); sleep 60*60;
user       799   798  0 21:49 pts/1    00:00:00 [fortune] <b>&lt;defunct&gt;</b>
<span style="font-weight:bold;color:#7f7f7f;"></span><span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps -F -t tty1
UID        PID  PPID  C    SZ   RSS PSR STIME TTY          TIME CMD
root       445     1  0   406   800   4 21:13 pts/1    00:00:00 /bin/login -- user
user       659   445  0   427  1120  15 21:19 pts/1    00:00:00 -ash
user       798   659  0  1244  2880   6 21:49 pts/1    00:00:00 perl -e open(my $fh, &quot;fortune -s|&quot;); sleep 60*60;
user       799   798  0     0     0  17 21:49 pts/1    00:00:00 [fortune] <b>&lt;defunct&gt;</b>
<span style="font-weight:bold;color:#7f7f7f;"></span><span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ps ut tty1
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root       445  0.0  0.0   1624   800 pts/1    Ss   21:13   0:00 /bin/login -- user
user       659  0.0  0.0   1708  1120 pts/1    S    21:19   0:00 -ash
user       798  0.0  0.0   4976  2880 pts/1    S+   21:49   0:00 perl -e open(my $fh, &quot;fortune -s|&quot;); sleep 60*60;
user       799  0.0  0.0      0     0 pts/1    <b>Z+</b>   21:49   0:00 [fortune] &lt;defunct&gt;
<span style="font-weight:bold;color:#7f7f7f;"></span><span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> pstree -a 659
ash
  └─perl -e open(my $fh, &quot;fortune -s|&quot;); sleep 60*60;
      └─(fortune)
</pre></html>
Jan Kończak

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