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(Potentially) Speed Up Application Launch Times on Linux

To (potentially) speed up launch times for Qt, KDE and Gtk applications, make a .compose-cache directory in your home folder:

mkdir -p ~/.compose-cache

I know that sounds like voodoo, but see the Compose man page, and this post at Rob’s KDE Blog for an explanation of why this might have a noticeable impact, depending on the applications in question, your distribution, hardware, &c..

Update: @andrewheiss reports that this ‘works for Gtk/X11 stuff on OSX as well’.

Via the Arch Linux Forums.