MirOS Manual: xinit(1)


XINIT(1)            UNIX Programmer's Manual             XINIT(1)

NAME

     xinit - X Window System initializer

SYNOPSIS

     xinit [ [ client ] options ] [ -- [ server ] [ display ]
     options ]

DESCRIPTION

     The xinit program is used to start the X Window System
     server and a first client program on systems that cannot
     start X directly from /etc/init or in environments that use
     multiple window systems.  When this first client exits,
     xinit will kill the X server and then terminate.

     If no specific client program is given on the command line,
     xinit will look for a file in the user's home directory
     called .xinitrc to run as a shell script to start up client
     programs. If no such file exists, xinit will use the follow-
     ing as a default:

          xterm  -geometry  +1+1  -n  login  -display  :0

     If no specific server program is given on the command line,
     xinit will look for a file in the user's home directory
     called .xserverrc to run as a shell script to start up the
     server. If no such file exists, xinit will use the following
     as a default:

          X  :0

     Note that this assumes that there is a program named X in
     the current search path.  However, servers are usually named
     Xdisplaytype where displaytype is the type of graphics
     display which is driven by this server.  The site adminis-
     trator should, therefore, make a link to the appropriate
     type of server on the machine, or create a shell script that
     runs xinit with the appropriate server.

     Note, when using a .xserverrc script be sure to ``exec'' the
     real X server. Failing to do this can make the X server slow
     to start and exit.  For example:

          exec Xdisplaytype

     An important point is that programs which are run by .xin-
     itrc should be run in the background if they do not exit
     right away, so that they don't prevent other programs from
     starting up. However, the last long-lived program started
     (usually a window manager or terminal emulator) should be
     left in the foreground so that the script won't exit (which
     indicates that the user is done and that xinit should exit).

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XINIT(1)            UNIX Programmer's Manual             XINIT(1)

     An alternate client and/or server may be specified on the
     command line.  The desired client program and its arguments
     should be given as the first command line arguments to
     xinit.  To specify a particular server command line, append
     a double dash (--) to the xinit command line (after any
     client and arguments) followed by the desired server com-
     mand.

     Both the client program name and the server program name
     must begin with a slash (/) or a period (.).  Otherwise,
     they are treated as an arguments to be appended to their
     respective startup lines.  This makes it possible to add
     arguments (for example, foreground and background colors)
     without having to retype the whole command line.

     If an explicit server name is not given and the first argu-
     ment following the double dash (--) is a colon followed by a
     digit, xinit will use that number as the display number
     instead of zero.  All remaining arguments are appended to
     the server command line.

EXAMPLES

     Below are several examples of how command line arguments in
     xinit are used.

     xinit   This will start up a server named X and run the
             user's .xinitrc, if it exists, or else start an
             xterm.

     xinit -- /usr/X11R6/bin/Xqdss  :1
             This is how one could start a specific type of
             server on an alternate display.

     xinit -geometry =80x65+10+10 -fn 8x13 -j -fg white -bg navy
             This will start up a server named X, and will append
             the given arguments to the default xterm command.
             It will ignore .xinitrc.

     xinit -e widgets -- ./Xsun -l -c
             This will use the command ./Xsun -l -c to start the
             server and will append the arguments -e widgets to
             the default xterm command.

     xinit /usr/ucb/rsh fasthost cpupig -display ws:1 --  :1 -a 2 -t 5
             This will start a server named X on display 1 with
             the arguments -a 2 -t 5.  It will then start a
             remote shell on the machine fasthost in which it
             will run the command cpupig, telling it to display
             back on the local workstation.

     Below is a sample .xinitrc that starts a clock, several ter-
     minals, and leaves the window manager running as the

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XINIT(1)            UNIX Programmer's Manual             XINIT(1)

     ``last'' application.  Assuming that the window manager has
     been configured properly, the user then chooses the ``Exit''
     menu item to shut down X.

             xrdb -load $HOME/.Xresources
             xsetroot -solid gray &
             xclock -g 50x50-0+0 -bw 0 &
             xload -g 50x50-50+0 -bw 0 &
             xterm -g 80x24+0+0 &
             xterm -g 80x24+0-0 &
             twm

     Sites that want to create a common startup environment could
     simply create a default .xinitrc that references a site-wide
     startup file:

             #!/bin/mksh
             . /usr/local/lib/site.xinitrc

     Another approach is to write a script that starts xinit with
     a specific shell script.  Such scripts are usually named
     x11, xstart, or startx and are a convenient way to provide a
     simple interface for novice users:

             #!/bin/mksh
             xinit /usr/local/lib/site.xinitrc -- /usr/X11R6/bin/X bc

ENVIRONMENT VARIABLES

     DISPLAY        This variable gets set to the name of the
                    display to which clients should connect.

     XINITRC        This variable specifies an init file contain-
                    ing shell commands to start up the initial
                    windows.  By default, .xinitrc in the home
                    directory will be used.

FILES

     .xinitrc       default client script

     xterm          client to run if .xinitrc does not exist

     .xserverrc     default server script

     X              server to run if .xserverrc does not exist

SEE ALSO

     X(7), startx(1), Xserver(1), xterm(1)

AUTHOR

     Bob Scheifler, MIT Laboratory for Computer Science

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