x86_64

       set personality flags

SYNOPSIS
       setarch arch [options] [program [arguments]]
       arch [options] [program [arguments]]

DESCRIPTION
       setarch This utility currently only affects the output of uname -m. For
       example,  on an AMD64 system, running 'setarch i386 program' will cause
       'program' to see i686 (or other relevant arch)  instead  of  x86_64  as
       machine  type.  It  also allows to set various personality options. The
       default program is /bin/sh.

OPTIONS
       -v, --verbose
              Be verbose.

       -h, --help
              Display help (it is also displayed when setarch takes  no  argu-
              ments).

       --uname-2.6
              Causes the program to see a kernel version number beginning with
              2.6.

       -3, --3gb
              Specifies that processes should use a maximum of 3GB of  address
              space on systems where it is supported (ADDR_LIMIT_3GB).

       -B, --32bit
              Turns on ADDR_LIMIT_32BIT.

       -F, --fdpic-funcptrs
              Userspace  function  pointers  point  to  descriptors  (turns on
              FDPIC_FUNCPTRS).

       -I, --short-inode
              Turns on SHORT_INODE.

       -L, --addr-compat-layout
              Changes the way  virtual  memory  is  allocated  (turns  on  the
              ADDR_COMPAT_LAYOUT).

       -R, --addr-no-randomize
              Disables  randomization  of  the virtual address space (turns on
              ADDR_NO_RANDOMIZE).

       -S, --whole-seconds
              Turns on WHOLE_SECONDS.

       -T, --sticky-timeouts
              Turns on STICKY_TIMEOUTS.

       -X --read-implies-exec
       Jindrich Novy <jnovy@redhat.com>

AVAILABILITY
       The setarch command is part of the util-linux package and is  available
       from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.



util-linux                         June 2007                        SETARCH(8)
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