Why is the file /bin/false so large?
loic.grenie at gmail.com
Tue Feb 9 19:19:21 GMT 2010
2010/2/9 Chris Jones <christopher.rob.jones at cern.ch>:
>> Yes and no, sh/bash/dash is probably already in memory for some
>> (many) shell-scripts. Since most of the memory is shared between
>> processes (read-only memory of processes and libraries is shared),
>> memory footprint won't change much whether you launch this script
>> or not.
>> Whether this is a sensible idea or not, I leave it to more
>> knowledgeable people.
> True, but the same logic applies to a binary /bin/false (once it has ben used once) ...
Sure but that was not the question. The question was "why is the file
so large". The answer is "because of init+help+shared libraries code"
and in addition "you can make the file smaller using a shell script".
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