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Annotation of src/usr.bin/arch/arch.1, Revision 1.10

1.10    ! schwarze    1: .\" $OpenBSD: arch.1,v 1.9 2007/05/31 19:20:07 jmc Exp $
1.5       aaron       2: .\"
1.1       tholo       3: .\" Copyright (c) 1994 SigmaSoft, Th. Lockert
                      4: .\" All rights reserved.
                      5: .\"
                      6: .\" Redistribution and use in source and binary forms, with or without
                      7: .\" modification, are permitted provided that the following conditions
                      8: .\" are met:
                      9: .\" 1. Redistributions of source code must retain the above copyright
                     10: .\"    notice, this list of conditions and the following disclaimer.
                     11: .\" 2. Redistributions in binary form must reproduce the above copyright
                     12: .\"    notice, this list of conditions and the following disclaimer in the
                     13: .\"    documentation and/or other materials provided with the distribution.
                     14: .\"
                     15: .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     16: .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     17: .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     18: .\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     19: .\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     20: .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     21: .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     22: .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     23: .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     24: .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     25: .\"
1.10    ! schwarze   26: .Dd $Mdocdate: May 31 2007 $
1.1       tholo      27: .Dt ARCH 1
                     28: .Os
                     29: .Sh NAME
1.4       niklas     30: .Nm arch ,
                     31: .Nm machine
1.1       tholo      32: .Nd print architecture type
                     33: .Sh SYNOPSIS
                     34: .Nm arch
1.4       niklas     35: .Op Fl ks
                     36: .Nm machine
                     37: .Op Fl a
1.1       tholo      38: .Sh DESCRIPTION
                     39: The
1.5       aaron      40: .Nm arch
1.4       niklas     41: and
                     42: .Nm machine
1.5       aaron      43: commands display the machine's architecture in slightly different ways.
                     44: .Nm arch
1.4       niklas     45: by default displays the application architecture, defined by both the
                     46: operating system and the instruction set architecture, while
                     47: .Nm machine
                     48: displays the kernel architecture (without the operating system part).
                     49: Note that both commands output the target architecture as opposed to
                     50: .Xr uname 1
1.7       aaron      51: which describes the host.
                     52: This is useful for dynamic discovery
1.4       niklas     53: of the target architecture in build or configuration scripts
                     54: needing to work in cross-compilation environments.
1.2       tholo      55: .Pp
1.5       aaron      56: The options for
                     57: .Nm arch
                     58: are as follows:
1.2       tholo      59: .Bl -tag -width indent
                     60: .It Fl k
                     61: Display the kernel architecture instead of application
                     62: architecture.
1.4       niklas     63: .It Fl s
1.6       aaron      64: Display the chosen architecture in a short form, i.e., without the
1.4       niklas     65: operating system prefixed.
                     66: .El
                     67: .Pp
1.5       aaron      68: The options for
1.4       niklas     69: .Nm machine
1.5       aaron      70: are as follows:
1.4       niklas     71: .Bl -tag -width indent
                     72: .It Fl a
                     73: Display the application architecture instead of the kernel architecture.
1.2       tholo      74: .El
1.1       tholo      75: .Sh SEE ALSO
1.4       niklas     76: .Xr uname 1