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device driver

Mount CD-ROM / DVD in HP-UX Unix

How do I mount CD or DVD on HP-UX Unix operating systems?
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Linux Find Out GNU gcc Compiler Version Used To Compile Running Kernel

I've multiple version of gcc installed on my systems as follows:

ls -l /usr/bin/gcc*
lrwxrwxrwx 1 root root 7 Jan 11 05:20 /usr/bin/gcc -> gcc-4.4
-rwxr-xr-x 1 root root 239528 Sep 21 2010 /usr/bin/gcc-4.3
-rwxr-xr-x 1 root root 255536 Nov 15 2010 /usr/bin/gcc-4.4

I need to build a nvidia device driver using the same version of GNU compiler as was used to compile the currently running kernel. How do I find out the version of my GNU gcc compiler that was used by upstream Linux distribution to compile and pack my binary Linux kernel?
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FreeBSD: Atheros AR8131 / AR8132 Gigabit Fast Ethernet Driver Configuration

I have installed FreeBSD 8.x on my Laptop with Windows 7 in dual boot mode. But I'm unable to connect to the LAN or Internet using Atheros AR8132 card. How do I configure this card under FreeBSD?
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HowTo: Find Out Hard Disk Specs / Details on Linux

Can you tell me a Linux command to find out information about my hard disk such as description, product name, bus type, size, and cache memory size under Linux operating systems using command line options?
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