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Linux System Information Decoded

Apr 25, 2010, 11:03 (1 Talkback[s])
(Other stories by Ken Hess)

"Do you rely on proc files or dmesg to tell you everything you need to know about a system? If you do, you're only seeing part of the picture. But what about when you want more detailed information about the system on which you're working? Do you have to have the manufacturer's spec sheet handy to know which components your system contains? It's inconvenient to have someone open a system case in a remote data center to tell you how many memory DIMMs are in, or are not in, your target system. Linux systems include two native commands that tell you almost everything you need to know: dmidecode and biosdecode.

"These two utilities live in the /usr/sbin directory and are standard Linux executables (not shell scripts). You must have root priveleges, via sudo or su -, to run either of these commands.

"BIOSDECODE

"The biosdecode command prints, to screen, information from BIOS memory about all of its known entry points. Entry point types are:"

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