Ubuntu is a Linux based operating system which is free and open source. Latest version of Ubuntu 12.04 LTS (Long-term support) code name PrecisePangolin has been released. Long-term support (LTS) means, you will get support upto 5 years with this
version. There are many Linux based operating systems are available for free, then, Why I am posting Ubuntu only? Answer is, Ubuntu has a built-in screen reader called “Orca”.
Ubuntu can be installed independently with the help of Orca, that means, you don’t need of any sighted help. Release notes and download link given below.
New Features in Ubuntu
Desktop Interface
There is a new way to quickly search and access menu and indicator actions, called the "HUD" (Heads-Up Display). Tap the Alt key and enter some letters
and words, and it will show the corresponding entries, including some fuzzy matching; then press enter to execute the action. The search will include all
menu entries of the currently focused application, as well as all indicator facilities (like managing emails, sound list, or logging out of the session).
It learns from your previous choices to make the search more and more accurate for you.
System Settings has several new "options" to customize Unity's look and behavior.
Nautilus quicklist
support has been added to Unity launcher.
ClickPad devices are trackpads where the physical button is integrated into the trackpad surface. Ubuntu 12.04 now has enhanced support for these devices.
When the button is pressed on a ClickPad device, a second finger may be used to drag the cursor.
ClickPad support requires extra handling that conflicts with "Click Action" support. Click Actions allow for separate actions when multiple fingers are
active on a trackpad. The default Ubuntu settings enable right button behavior when two fingers are in contact with the trackpad surface and the physical
trackpad button is pressed. Because of conflicting behavior, ClickPad devices do not support Click Actions in this release.
Most Synaptics brand ClickPads are recognized out of the box. Apple MacBook trackpads are recognized as well. Support for Apple Magic Trackpads and more
Synaptics brand ClickPads will follow in the next release.
Network Manager now uses dnsmasq for improved DNS reliability and support for split-DNS on VPN links.
IPv6 and IPv4 are now equally supported in Network Manager: an IPv4 address is no longer required for a connection to be considered as working.
Desktop Applications
The default music player has been switched to Rhythmbox, which again includes the Ubuntu One music store.
LibreOffice has been updated to 3.5.2.
GNOME has been updated to 3.4.1.
what's new and improved. A few highlights include:
- Files (Nautilus) now has undo support.- Several games have been
modernized
with useful help, simplified menus, and a less cluttered interface.
Remmina with FreeRDP is the new standard remote desktop client, replacing
Vinagre and rdesktop.
The IcedTea Java plugin is no longer installed as part of the ubuntu-restricted-addons package but it is still available for install
Software Center
When installing new software through software-center, corresponding language support packages (translations, spell check modules particular to that software,
help files, etc.) are now installed alongside automatically. This removes the need to open "Language Support" after installing new software.
The user can opt-in into personalized recommendations. This will show global, category and per-application recommendations to the user.
Payment support for PayPal.
Web Directory to share applications with your friends.
Support for multiple screenshots and videos is now available.
Startup time and overall responsiveness was improved.
Improved support for installing multiple versions via the ubuntu-backports project.
list end
Ubuntu One
The all new Control Panel now provides an installer, setup wizard, ability to add/remove folders to sync, and more.
Proxy support is now fully functional.
Ubuntu One contacts sync in Evolution is not supported any more and has been removed.
Common Infrastructure
Up until Ubuntu 11.10, administrator access using the sudo tool was granted via the "admin" Unix group. In Ubuntu 12.04, administrator access will be granted
via the "sudo" group. This makes Ubuntu more consistent with the upstream implementation and Debian. For compatibility purposes, the "admin" group will
continue to provide sudo/administrator access in 12.04.
Hibernate (suspend to disk) has been disabled by default, as it was found to be unreliable, very slow and confusing to have two suspend modes.
pm-utils now has two new scripts to power down USB and various PCI devices in battery mode. A number of desktop packages were fixed to wake up less often.
Both of these reduce power consumption and thus improve battery lifetime.
resolvconf is now used to manage /etc/resolv.conf on all Ubuntu systems.
Backports are now more easily accessible -- to enable users to more easily receive new versions of software, the Ubuntu Backports repository is now enabled
by default. Packages from backports will not be installed by default — they must explicitly be selected in package management software. However, once installed,
packages from backports will automatically be upgraded to newer versions.
DVD Images -- the DVD images have been cleaned up significantly reducing their size to around 1.5GB to ease consumption. The remaining software remains
available via download.
Linux v3.2.14 Kernel
Ubuntu 12.04 LTS ships with an updated kernel moving from the mainline v3.0 series to the mainline v3.2 series. At release we are shipping with the Ubuntu
3.2.0-23.36 kernel which is based on the
v3.2.14 upstream stable Linux kernel.
The mainline v3.0 to v3.2 stable series update brings a number of new features. Some highlights include:
Click here to read full release notes from Ubuntu Wiki
Click here to download Ubuntu
version. There are many Linux based operating systems are available for free, then, Why I am posting Ubuntu only? Answer is, Ubuntu has a built-in screen reader called “Orca”.
Ubuntu can be installed independently with the help of Orca, that means, you don’t need of any sighted help. Release notes and download link given below.
What’s New in Ubuntu 12.04 PrecisePangolin?
New Features in Ubuntu
Desktop Interface
There is a new way to quickly search and access menu and indicator actions, called the "HUD" (Heads-Up Display). Tap the Alt key and enter some letters
and words, and it will show the corresponding entries, including some fuzzy matching; then press enter to execute the action. The search will include all
menu entries of the currently focused application, as well as all indicator facilities (like managing emails, sound list, or logging out of the session).
It learns from your previous choices to make the search more and more accurate for you.
System Settings has several new "options" to customize Unity's look and behavior.
Nautilus quicklist
support has been added to Unity launcher.
ClickPad devices are trackpads where the physical button is integrated into the trackpad surface. Ubuntu 12.04 now has enhanced support for these devices.
When the button is pressed on a ClickPad device, a second finger may be used to drag the cursor.
ClickPad support requires extra handling that conflicts with "Click Action" support. Click Actions allow for separate actions when multiple fingers are
active on a trackpad. The default Ubuntu settings enable right button behavior when two fingers are in contact with the trackpad surface and the physical
trackpad button is pressed. Because of conflicting behavior, ClickPad devices do not support Click Actions in this release.
Most Synaptics brand ClickPads are recognized out of the box. Apple MacBook trackpads are recognized as well. Support for Apple Magic Trackpads and more
Synaptics brand ClickPads will follow in the next release.
Network Manager now uses dnsmasq for improved DNS reliability and support for split-DNS on VPN links.
IPv6 and IPv4 are now equally supported in Network Manager: an IPv4 address is no longer required for a connection to be considered as working.
Desktop Applications
The default music player has been switched to Rhythmbox, which again includes the Ubuntu One music store.
LibreOffice has been updated to 3.5.2.
GNOME has been updated to 3.4.1.
what's new and improved. A few highlights include:
- Files (Nautilus) now has undo support.- Several games have been
modernized
with useful help, simplified menus, and a less cluttered interface.
Remmina with FreeRDP is the new standard remote desktop client, replacing
Vinagre and rdesktop.
The IcedTea Java plugin is no longer installed as part of the ubuntu-restricted-addons package but it is still available for install
Software Center
When installing new software through software-center, corresponding language support packages (translations, spell check modules particular to that software,
help files, etc.) are now installed alongside automatically. This removes the need to open "Language Support" after installing new software.
The user can opt-in into personalized recommendations. This will show global, category and per-application recommendations to the user.
Payment support for PayPal.
Web Directory to share applications with your friends.
Support for multiple screenshots and videos is now available.
Startup time and overall responsiveness was improved.
Improved support for installing multiple versions via the ubuntu-backports project.
list end
Ubuntu One
The all new Control Panel now provides an installer, setup wizard, ability to add/remove folders to sync, and more.
Proxy support is now fully functional.
Ubuntu One contacts sync in Evolution is not supported any more and has been removed.
Common Infrastructure
Up until Ubuntu 11.10, administrator access using the sudo tool was granted via the "admin" Unix group. In Ubuntu 12.04, administrator access will be granted
via the "sudo" group. This makes Ubuntu more consistent with the upstream implementation and Debian. For compatibility purposes, the "admin" group will
continue to provide sudo/administrator access in 12.04.
Hibernate (suspend to disk) has been disabled by default, as it was found to be unreliable, very slow and confusing to have two suspend modes.
pm-utils now has two new scripts to power down USB and various PCI devices in battery mode. A number of desktop packages were fixed to wake up less often.
Both of these reduce power consumption and thus improve battery lifetime.
resolvconf is now used to manage /etc/resolv.conf on all Ubuntu systems.
Backports are now more easily accessible -- to enable users to more easily receive new versions of software, the Ubuntu Backports repository is now enabled
by default. Packages from backports will not be installed by default — they must explicitly be selected in package management software. However, once installed,
packages from backports will automatically be upgraded to newer versions.
DVD Images -- the DVD images have been cleaned up significantly reducing their size to around 1.5GB to ease consumption. The remaining software remains
available via download.
Linux v3.2.14 Kernel
Ubuntu 12.04 LTS ships with an updated kernel moving from the mainline v3.0 series to the mainline v3.2 series. At release we are shipping with the Ubuntu
3.2.0-23.36 kernel which is based on the
v3.2.14 upstream stable Linux kernel.
The mainline v3.0 to v3.2 stable series update brings a number of new features. Some highlights include:
Click here to read full release notes from Ubuntu Wiki
Click here to download Ubuntu
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