[Resolved] ‘Unary Operator Expected’ Error in Bash
The ‘Unary Operator Expected’ error in bash indicates that the command or operator expects a single parameter, but the parameter …
An Overview of Bash Comparison [Conditional] Operators
Bash Comparison Operators are fundamental elements in scripting that allow Bash programmers to compare values and make decisions based on …
Glob Expansion in Bash
Glob expansion is one of the elegant techniques in Bash to find files or match pathnames. There are a few …
Architecture of Linux Operating System
The architecture of the Linux operating system is a layered structure that includes components that provide flexibility and stability. It …
How to Compare Numbers in Bash With If Statement [2 Methods]
Compare Numbers in Bash scripting is essential for a wide range of tasks, including arithmetic calculations and logical decisions. Therefore, it …
[Solved] VMware Tools Not Running
In virtualized environments, VMware tools serve as a vital component for seamless communication between the host and the guest operating …
How to Install Debian 12 (Bookworm) [A Complete Guide]
Debian is a versatile and widely used Linux distribution that is known for its stability, open-source principles, and large software …
How to Use Double Pipe “||” in Bash [3 Examples]
The double pipe (‘||’) is a logical operator that is often used in various programming and scripting languages, including Bash. …
12 Key Features of Linux Operating System
The Linux operation system has some fascinating characteristics that make it different from other operating systems like Windows, and macOS. …
Best Ubuntu Repositories [Choose Wisely]
Repositories are collections of software packages that can be easily installed, updated, and managed by package management tools like APT …
History of Linux [A Complete Overview]
Nowadays Linux is the popular operating system that users can use from wristwatches to supercomputers because of its flexibility. But …
Parameter Expansion in Bash [3 Main Types]
Parameter expansion is one of the key concepts in Bash scripting. It is useful to find, replace or modify the …
Redirect Stderr to Stdout in Bash [5 Examples]
In Bash, it’s crucial to manage both the standard output (stdout) and standard error (stderr) effectively. By default, stdout displays …
Loops in Bash
A Bash loop is a control structure that allows you to execute a block of commands or statements repeatedly in …
Variable Substitution in Bash [Replace Character & Substring]
Bash programmers do the replacement, the substitution, and the removal of the bash variable too often. It helps them print …
Unary Operators in Bash
Unary operators in Bash are operators that perform operations on a single operand, and they are often used for testing …
VMware Workstation Pro vs VMware Player [Ultimate Comparison]
In the rapidly evolving landscape of Virtualization, VMware’s solutions have solidified themselves as top choices for users seeking effective and …
How to Check If a String is Empty or Not in Bash [5 Methods]
To check whether a string is empty, compare the string with empty string (” “): if [ "$string" == " …
If Statement in Bash
The if statement is a primary and powerful control structure that creates optimized decision-making logic and manages the scripts’ flow. …
Bash Conditional Statements
In Bash scripting, sometimes you might face a situation when you have to make logical decisions by satisfying certain conditions …
