When announcing Ubuntu 9.04, theJaunty Jackalope, Mark Shuttleworth had hoped to make this next Ubuntu Linux release perform better and to boot “blindingly quick”, in particular with Ubuntu beginning to appear on more mobile devices. More here

Is Ubuntu 9.04 booting faster than its predecessor? With the Intel Atom netbook at least, it is a resounding yes! It took 29 seconds to boot Ubuntu 8.10 but only 21 seconds for Ubuntu 9.04 Alpha 4. Bootchart measured these results, all settings were left at their defaults, and in each case we did a clean installation of Ubuntu occupying the entire solid-state drive. Had we switched to using theEXT4 file-systemthe Ubuntu 9.04 performance may have been even better. Below are the Bootchart graphs for Ubuntu 8.10 and 9.04, respectively.