Why You Should Start Your Infosec Career by Learning Linux

I know you want ACTION, but calm yourself, you’ll thank me later. I will give you several reasons in this post as to why your first step in studying to be a cybersecurity professional should be learning Linux. I started years ago by trying to hack some stuff before having ANY knowledge in Operational Systems in general and of course I failed miserably. This first experience was so frustrating that I gave up becoming a hacker and only went back to study about it again a couple of years later.

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A really simple guessing game in C

Here is the first of three basic C programs that I intend to post here as examples. In my early days I struggled to find real programs to exercise and see how concepts are applied. In this first program, I applied inicial concepts such as:

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Understanding the Linux file system

The Linux filesystem structure is somewhat different from that of Windows. Linux has roots in UNIX so it has the backslash for directory separation and its name system is case sensitive. For example, on a Linux file system the following files: file.txt, File.txt and FIle.txt are different. The Linux system is completely file-based and this makes it different from Windows systems. Let’s see below how the file system is organized in Linux.

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