5 **Table of Contents**
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7 12.1 [ Synopsis](jails.html#JAILS-SYNOPSIS)
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9 12.2 [ Terms Related to Jails](jails-terms.html)
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11 12.3 [ Introduction](jails-intro.html)
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13 12.4 [ Creating and Controlling Jails](jails-build.html)
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15 12.5 [ Fine Tuning and Administration](jails-tuning.html)
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17 12.6 [ Application of Jails](jails-application.html)
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20 ***Contributed by Matteo Riondato. Updated for DragonFly by Dario Banno.***
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24 This chapter will provide an explanation of what DragonFly jails are and how to use them. Jails, sometimes referred to as an enhanced replacement of chroot environments, are a very powerful tool for system administrators, but their basic usage can also be useful for advanced users.
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27 After reading this chapter, you will know:
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32 * What a jail is, and what purpose it may serve in DragonFly installations.
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37 * How to build, start, and stop a jail.
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42 * The basics of jail administration, both from inside and outside the jail.
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45 Other sources of useful information about jails are:
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50 * The [jail(8)](http://leaf.dragonflybsd.org/cgi/web-man?command#jail§ion8) manual page. This is the full reference of the jail utility -- the administrative tool which can be used in DragonFly to start, stop, and control DragonFly jails.
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55 * The mailing lists and their archives. The archives of the DragonFly general questions mailing list and other mailing lists hosted by the DragonFly list server already contain a wealth of material for jails. It should always be engaging to search the archives, or post a new question to the [users mailing list](mailto:users@lists.dragonflybsd.org).
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