If you're a cybersecurity enthusiast or ethical hacker who wants to learn more about building hacking tools, this book is for you.

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

Linux scripting automates repetitive tasks like converting file formats and can save hours of work. You can find and adapt scripts online easily, with plenty of resources and guides available.

Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...

You need to package up a bunch of files, send them somewhere, and do something with them at the destination. It isn’t an uncommon scenario. The obvious answer is to create an archive — a zip or tar ...

After the beginners guide, the Advanced Bash Scripting Guide is a good read however be warned that some information and examples found there, such as the first couple in the /dev section, might be OS ...

We often read (including in the book Advanced Bash-Scripting Guide by Mendel Cooper) that if we pass variable names as parameters to functions, they will be treated as string literals and cannot be ...

Linux is one of the world’s most popular open source operating systems, and much of the internet’s infrastructure is based on Linux. Having at least a baseline familiarity with Linux is a valuable ...

$ cat </dev/tcp/time.nist.gov/13 55103 09-09-29 17:58:55 50 0 0 0.0 UTC(NIST) * Reads the time in Daytime Protocol (RFC-867) from the NIST Internet Time Service ...