Zsh - intro
Z Shell, or simply zsh, is a powerful interactive shell for consoles and Unix-like operating system terminals like Linux Ubuntu, Mint, Debian and others. As well as being a powerful scripting language.… Read More »Zsh - intro
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Bash Shell
How to resolve “error: src refspec main does not match any” in Git
The error message: “error: src refspec main does not match any” happens for some routinely common causes, especially when starting a new project repository. A second message line with the text: “error:… Read More »How to resolve “error: src refspec main does not match any” in Git
Free e-books on programming and computing in general
Looking for free e-books on programming, software development, and other areas of computing? This list includes these topics as well as books on software engineering and other subjects. The pandemic period has exploded… Read More »Free e-books on programming and computing in general
How to Free Up Hard Disk Space in Linux Ubuntu, Mint, Debian
Running out of space on your Linux system? Here are several ways to clean up your system to free up space on Ubuntu and other Debian-based Linux distributions like Mint. Over time, the disc… Read More »How to Free Up Hard Disk Space in Linux Ubuntu, Mint, Debian
How to use grep command to search texts in files in Linux terminal
How to use grep command on Linux or Apple macOS/OS X? How can I use the grep command on Unix operating systems? Can you give me a simple example of the grep command? Which… Read More »How to use grep command to search texts in files in Linux terminal
How to create user groups in Linux Mint, Debian, Ubuntu
Linux is a multi-user operating system, thanks to which multiple people can be authenticated and working on a given machine at the same time. To ensure security, as a good practice users do not share… Read More »How to create user groups in Linux Mint, Debian, Ubuntu
