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Hi: I have been trying to find the script the screen saver is run from, after I run startx, if there is one. In 12.0, there was /etc/xfce/xdg/xfce4/xinitrc (f1), from where /usr/bin/xscreensaver (f2) was launched. f1 is now /etc/xdg/xfce4/xinitrc (f3), but f2 is not run from f3.
but none of these files is a shell script. E.g., XScreenSaver is a configuration file, in spite of its title (the OS installer did not put any .xinitrc in ~/). ps shows that f2 is running while I am in the GUI. There must be some executable, either binary or written for an interpreter who starts f2. But where is it? That would be the question.
It is not a shell script, it is a Desktop Entry file (text file). The "Exec=" line states what to run.
As its path suggests, it is started automatically when you log in XDG-compliant DE like XFCE and KDE (see Desktop Application Autostart Specification). You could think of it as working like the "Startup" folder of Windows' Start menu.
System-wide settings (à la Windows' "All users") are in
You'll see. Choosing a black screen as screen saver in the GUI, makes the GUI to make very strange things. In 12.0 I a similar problem, but then I simply commented out the line launching xscreensaver. I guess commenting out the Exec and TryExec lines would do the trick?
Without knowing all this, I had a feeling that things were done each time more like in Windows!?
According to the "important note" near the end of /etc/xdg/xfce4/xinitrc, the content of /etc/xdg/autostart is considered only if your are not using Xfce's session manager (xfce4-session).
If you actually use xfce4-session, and you certainly do if you didn't mangled your user's .xinitrc (better use xwmconfig as root to set XFCE as the system-wide DE default), you don't need to bother with the content of /etc/xdg/autostart.
That is the great "Why": /etc/xdg/xfce4/xinitrc has the execute bit off. The installer did this!
About disabling from the GUI, it hanged the GUI in 12.0 and still has problems in 14.0. As nobody does this, disabling the screen saver, few people notices the disastrous effect. The effect in 14.0 is I am left without the window manager.
$prog = '/bin/sh' here. And $CLIENTRC, $SERVERRC are just options. So /bin/sh executes /etc/xdg/xfce4/xinitrc.
Suppose not. But /etc/xdg/xfce4/xinitrc is a shell script:
semoi@darkstar:~$ head -n15 /etc/xdg/xfce4/xinitrc
# fix broken $UID on some system...
if test "x$UID" = "x"; then
if test -x /usr/xpg4/bin/id; then
# set $XDG_MENU_PREFIX to "xfce-" so that "xfce-applications.menu" is picked
# over "applications.menu" in all Xfce applications.
if test "x$XDG_MENU_PREFIX" = "x"; then