LPI Linux Certification/Configure Fundamental BIOS Settings Exercise Results

To show the amount of physical RAM available: use free or cat /proc/meminfo | grep MemTotal Which are the devices that are sharing an interrupt line? cat /proc/interrupts | more How many PCI buses and bridges are there? lspci | wc -l Are there any PCI/ISA bridges? lspci | grep 'PCI\|ISA' What is the option with lspci to list all the Intel PCI devices? lspci -d 8086:* What is the command to set you IDE hard drive in read only mode? hdparm -r1 <device> What is the command to turn on/off the disk cache hard drive? hdparm -W1 <device>    hdparm -W0 <device> What does the setpci utility do? setpci is a utility for querying and configuring PCI devices. What would be the command to write a word in register N of a PCI device? setpci -s 12:3.4 N.W=1