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3 Examples of useful file operations

Besides the obvious cases of using regular files to store information, let us take a look at some interesting use of files in a Unix-like environment:

 3.1 Ghost a hard disk drive
 3.2 Create an ISO image of a CD-ROM or DVD
 3.3 Check the kernel version
 3.4 Check CPU information
 3.5 View the entire command that starts process 26123

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