1.\" Copyright (c) 1983, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.Dd November 19, 2020 29.Dt INTRO 7 30.Os 31.Sh NAME 32.Nm intro 33.Nd miscellaneous information pages 34.Sh DESCRIPTION 35This section contains miscellaneous documentation. 36.Bl -tag -width "mdoc.samples(7)" -offset indent 37.It Xr arch 7 38supported CPU architectures and platforms 39.It Xr ascii 7 40map of ASCII character set 41.It Xr build 7 42build instructions for 43.Fx 44.It Xr c 7 45the C programming language 46.It Xr clocks 7 47system timekeeping clocks available in 48.Fx 49.It Xr crypto 7 50cryptographic algorithms provided by OpenCrypto in 51.Fx 52.It Xr development 7 53development introduction to 54.Fx 55.It Xr environ 7 56user environment 57.It Xr ffs 7 58commonly used filesystem in 59.Fx 60.It Xr firewall 7 61simple firewalls under 62.Fx 63.It Xr hier 7 64file system hierarchy in 65.Fx 66.It Xr hostname 7 67host name resolution description 68.It Xr release 7 69layout of 70.Fx 71releases and snapshots 72.It Xr ports 7 73introduction to the ports infrastructure of 74.Fx 75.It Xr security 7 76security features available in 77.Fx 78.It Xr stats 7 79statistics utilities available in 80.Fx 81.It Xr tests 7 82introduction to the 83.Fx 84Test Suite 85.It Xr tuning 7 86general advice on tuning 87.Fx 88.El 89.Sh SEE ALSO 90.Xr man 1 , 91.Xr intro 2 , 92.Xr intro 3 , 93.Xr intro 4 , 94.Xr intro 5 , 95.Xr intro 6 , 96.Xr intro 8 , 97.Xr intro 9 98.Sh HISTORY 99The 100.Nm 101section manual page appeared in 102.Bx 4.2 . 103