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46.
How can you use variables as a part of your command? For example, set pipeline="|" and run ps aux $pipeline grep root
You can use the eval command to use variables literally - eval ps aux $pipeline grep root will be the same as eval ps aux | grep root.
47.
You want to create network statistics and graphs for your server, which tool would you use (most common)?
The most common network statistics tool is called mrtg (Multi Router Traffic Grapher) and is the most recommended open-source tool.
48.
How can you send the BIOS a query message directly from the command line?
In order to query the BIOS, you can send it a message from the console by using the biosdecode tool.
49.
How can you manipulate partitions on a Linux system?
Linux provides two applications for partition manipulation - fdisk and parted.
50.
What is the result of the lsmod command?
The lsmod command will show you the status of modules that are loaded into the Linux kernel , this is a nice way to see /proc/modules.
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