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Content preview:  I'm not sure the shell actually is restricting you from doing
   this "dumb" thing. Let's strace it! :-) strace -vall -f bash -c 'read line
   < /dev/zero' > bash_read-alotofzeros.strace 2>&1 While that is running, I'm
   watching "vmstat 5" and seeing my free memory being depleted. If I see my
   system start to swap, I'll hit Ctrl-c on the strace, but I'd really like
  it to complete much like the rest of everyone's tests. # BTW, another interesting
   thing to do, while waiting for your box to crash, is to identify the pid
  for bash and run: watch -d 'pmap -x <pid>' [...] 

Content analysis details:   (5.0 points, 5.0 required)

 pts rule name              description
---- ---------------------- --------------------------------------------------
 3.8 BAYES_99               BODY: Bayes spam probability is 99 to 100%
                            [score: 1.0000]
 0.0 FREEMAIL_FROM          Sender email is commonly abused enduser mail provider
                            (vdgr3dok[at]hotmail.com)
                            (jeff.frontz[at]gmail.com)
                            (gymequipment[at]ymail.com)
                            (fltsimbuff[at]gmail.com)
                            (jonebird[at]gmail.com)
 1.2 GAPPY_SUBJECT          Subject: contains G.a.p.p.y-T.e.x.t
 0.0 T_DKIM_INVALID         DKIM-Signature header exists but is not valid