title: Shell scripts and security
body: <p>TLDP's Advanced Bash Scripting Guide states that shell scripts shouldn't be used for "<a href="http://tldp.org/LDP/abs/html/why-shell.html">situations where security is important, where you need to guarantee the integrity of your system and protect against intrusion, cracking, and vandalism</a>."</p>
  
  <p>What makes shell scripts unsuitable for such a use case?</p>