DocumentationDocumentation in IT can be divided into several sections, including: Technical documentation This includes documentation related to the technical details of a software or system, such as architecture diagrams, API reference guides, and installation instructions. For example, a power user may use technical documentation to understand how to install and… Read More »Understanding the Different Types of IT Documentation
Cron JobsWhat are cron jobs? A cron job is a scheduled task that runs automatically at specified intervals on a Unix-based operating system. The name “cron” comes from the Greek word “chronos”, which means “time”. Cron jobs are typically used for automation of repetitive tasks, such as running backups, sending emails,… Read More »Get Your Tasks Done Automatically with Cron Jobs
Redirection In DepthStandard Output Redirection (“>”) Standard Error Redirection (“>&”) Appending Output ( “>>”) Piping Output ( “|”) Input Redirection (“<“) /dev/null Redirection Here Document Here String Fd redirection
Piping in BashPiping in Bash Basic piping examples File content: Output: Advanced piping examples
AwkColorized /etc/passwd Here’s a script that will display all the information in the /etc/passwd file, with each type of value (username, UID, GID, home directory, and shell) colorized differently: Explanation: You can customize the script to use different colors and format the output as you prefer. Note that the script… Read More »Colorize Your File with Awk
NeofetchNeofetch is a command-line application written in Bash used to display system information, such as OS version, uptime, memory usage, CPU information, shell version, and more. It is designed to be used in a terminal environment and can be incorporated into the user’s .bashrc file to run on startup. System… Read More »Customize Your System Information with Neofetch
msconfig: Uncover Hidden Settings in WindowsWhat is msconfig? msconfig is a powerful configuration tool that can be used to control system settings in Windows operating systems. It enables users to customize their system by changing settings such as startup programs, services, device drivers, and environment variables. How to Use msconfig Using msconfig is easy and… Read More »msconfig: Uncover Hidden Settings in Windows
Regedit: Customize, Backup, and TroubleshootWindows Registry Regedit The Windows Registry is a hierarchical database that stores settings and options for the Microsoft Windows operating system and for applications that run on Windows. Regedit is the built-in registry editor for Windows. It allows users to view, modify, and delete the registry keys and values that… Read More »Regedit: Customize, Backup, and Troubleshoot
ifconfig and ip Command Gist With Practical Use Casesifconfig Command ifconfig (short for “interface configuration”) is a command-line utility that allows you to configure network interfaces on your system. It’s been around for a long time, and is still widely used despite the availability of newer tools like ip. Practical use-cases for ifconfig: Displaying network interface information: This… Read More »ifconfig and ip Command Gist With Practical Use Cases
MAC Address Gist With Practical Use CasesA MAC (Media Access Control) address is a unique identifier assigned to network interfaces for communication on a network. It is used to identify devices on a network and to distinguish them from one another. How MAC addresses are formatted: A MAC address is a string of six groups of… Read More »MAC Address Gist With Practical Use Cases