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.\" @(#)intro.7 8.1 (Berkeley) 6/5/93 29.\" 30.Dd November 19, 2020 31.Dt INTRO 7 32.Os 33.Sh NAME 34.Nm intro 35.Nd miscellaneous information pages 36.Sh DESCRIPTION 37This section contains miscellaneous documentation. 38.Bl -tag -width "mdoc.samples(7)" -offset indent 39.It Xr arch 7 40supported CPU architectures and platforms 41.It Xr ascii 7 42map of ASCII character set 43.It Xr build 7 44build instructions for 45.Fx 46.It Xr c 7 47the C programming language 48.It Xr clocks 7 49system timekeeping clocks available in 50.Fx 51.It Xr crypto 7 52cryptographic algorithms provided by OpenCrypto in 53.Fx 54.It Xr development 7 55development introduction to 56.Fx 57.It Xr environ 7 58user environment 59.It Xr ffs 7 60commonly used filesystem in 61.Fx 62.It Xr firewall 7 63simple firewalls under 64.Fx 65.It Xr hier 7 66file system hierarchy in 67.Fx 68.It Xr hostname 7 69host name resolution description 70.It Xr release 7 71layout of 72.Fx 73releases and snapshots 74.It Xr ports 7 75introduction to the ports infrastructure of 76.Fx 77.It Xr security 7 78security features available in 79.Fx 80.It Xr stats 7 81statistics utilities available in 82.Fx 83.It Xr tests 7 84introduction to the 85.Fx 86Test Suite 87.It Xr tuning 7 88general advice on tuning 89.Fx 90.El 91.Sh SEE ALSO 92.Xr man 1 , 93.Xr intro 2 , 94.Xr intro 3 , 95.Xr intro 4 , 96.Xr intro 5 , 97.Xr intro 6 , 98.Xr intro 8 , 99.Xr intro 9 100.Sh HISTORY 101The 102.Nm 103section manual page appeared in 104.Bx 4.2 . 105