$ cat /proc/user_beancounters
Version: 2.5
       uid  resource           held    maxheld    barrier      limit    failcnt
     50035: kmemsize         485995    1088260    3697698    3892314          0
            lockedpages           0          0        128        128          0
            privvmpages         686      14694      14860      14860          7
            shmpages              0          0       6400       6400          0
            dummy                 0          0          0          0          0
            numproc               5         20         80         80          0
            physpages           419      12176          0 2147483647          0
            vmguarpages           0          0      14860 2147483647          0
            oomguarpages        419      12176      13107 2147483647          0
            numtcpsock            3          7        128        128          0
            numflock              0          6        128        128          0
            numpty                1          2          8          8          0
            numsiginfo            0          3        128        128          0
            tcpsndbuf          4456      51244     335544     671088          0
            tcprcvbuf             0      55588     335544     671088          0
            othersockbuf       2228      11140     335544     671088          0
            dgramrcvbuf           0       8552     167772     335544          0
            numothersock          2          7        128        128          0
            dcachesize        23534      81927    1006632    1006632          0
            numfile              31        161       2048       2048          0
            dummy                 0          0          0          0          0
            dummy                 0          0          0          0          0
            dummy                 0          0          0          0          0
            numiptent            48         48        192        192          0
$ ps alx
F   UID   PID  PPID PRI  NI   VSZ  RSS WCHAN  STAT TTY        TIME COMMAND
4     0     1     0  16   0  1512  520 -      Ss   ?          0:18 init [2]
5     0  9900     1  16   0  1872  580 -      Ss   ?          0:01 /usr/sbin/dropbear -d /etc/dropbear/dropbear_dss_host_key -r /etc/dropbear/dropbear_rsa_host_key -p 500
1     0 27855  9900  16   0  2484 1268 -      Rs   ?          0:00 /usr/sbin/dropbear -d /etc/dropbear/dropbear_dss_host_key -r /etc/dropbear/dropbear_rsa_host_key -p 500
4     0 27975 27855  16   0  1564  456 wait4  Ss   pts/0      0:00 /bin/dash
0     0 17799 27975  18   0  2308  680 -      R+   pts/0      0:00 ps alx
$ apt-get upgrade
Reading Package Lists... Done
Building Dependency Tree... Done
The following packages will be upgraded:
  bind9-host dnsutils libdns16 libisc7 libisccc0 libisccfg0 liblwres1
7 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 0B/1119kB of archives.
After unpacking 279kB of additional disk space will be used.
Do you want to continue? [Y/n]
(Reading database ... 11266 files and directories currently installed.)
Preparing to replace libisc7 1:9.2.4-1sarge1 (using .../libisc7_1%3a9.2.4-1sarge2_i386.deb) ...
Unpacking replacement libisc7 ...
dpkg: error processing /var/cache/apt/archives/libisc7_1%3a9.2.4-1sarge2_i386.deb (--unpack):
 fork failed: Cannot allocate memory
dpkg: error while cleaning up:
 fork failed: Cannot allocate memory
Errors were encountered while processing:
 /var/cache/apt/archives/libisc7_1%3a9.2.4-1sarge2_i386.deb
Processing was halted because there were too many errors.
E: Sub-process /usr/bin/dpkg returned an error code (1)
$uname -a
Linux foo.bar.net 2.6.8-022stab078.14-smp #1 SMP Wed Jul 19 16:13:15 MSD 2006 i686 GNU/Linux
$