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Linux kernel version 2.6.28 has been released and available for download. The new version includes following stable and new features:
a] ext4 file system – The ext4 filesystem can support volumes with sizes up to 1 exbibyte and files with sizes up to 16 TiB. ext4 removes ext3 64-bit storage limits and adds other performance improvements.
b] Graphics Execution Manager (GEM) – It is a a modern memory manager specialized for use in device drivers for graphics chipsets. It manages graphics memory, controls the execution context and manages the Non-Uniform Memory Access (NUMA) environment on modern graphics chipsets. The “xf86-video-intel” device driver will feature GEM integration.
c] Other features – Stable USB drivers, KVM, bug fixes and other stuff.
=> Download Linux kernel 2.6.28 here. You may also find our kernel compile tutorial useful.
The USB Overdrive is a device driver for Mac OS X that handles any USB mouse / trackball / joystick / gamepad and any Bluetooth mouse from any manufacturer and lets you configure them either globally or on a per-application basis. Some one posted a screen shot of USB Overdrive software. If you are a sensitive pirate you might feel guilty (found via Digg). Maybe it is a time to switch to Linux.
So how do you find out how fast is your hard disk under Linux? Is it running at SATA I (150 MB/s) or SATA II (300 MB/s) speed without opening computer case or chassis?
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FreeBSD comes with kldstat command. The kldstat utility or command displays the status of any files dynamically linked into the kernel. And the kldunload utility unloads a file which was previously loaded with lldload command. You can use kldunload command as follows.
Unload a file from the kernel
First login as a root user (use su – or sudo commnad):
Get list of loaded modules/drivers first use following command
To remove module use the following command
The kldstat utility displays the status of any files dynamically linked into the kernel.
kldunload -i ID
Example to unload smbfs module
Type the following command as the root user:
# kldunload smbfs
# kldunload -i 8
Please note that # 8 is module ID obtained using kldstat command.
Force the unload
You can pass -f option to kldunload to force the unload. This ignores error returns to MOD_QUIESCE from the module and implies that the module should be unloaded even if it is currently in use. The users are left to cope as best they can.
# kldunload -f smbfs