Command Line Tools
Variable Expansion in ZSH
ZSH, short for the Z Shell, is one of the most popular Unix shells. It’s known for its rich features…
Tag: shell
Linux System Administration
What are the difference between ZSH and BASH?
As we navigate through the world of Unix-like operating systems, we come across different shell environments, each with its unique…
Linux Security
What is Secure Shell (SSH)?
In the realm of cybersecurity and network communication, few protocols are as universally adopted as Secure Shell (SSH). Originating from…
Linux Tutorials
10 Most Popular Open Source Linux Shells
The Linux shell is a command-line interface that allows users to interact with the operating system and execute commands. There…
Bash Shell
Checking If a Command Succeeded in Bash Using the `$?` Special Variable
In Bash, it is often necessary to check if a command succeeded or failed. For example, you may want to…
Linux Tutorials
How To Customize Bash Prompt (PS1) In Linux
In Linux, PS1 is an environment variable that specifies the format of the command prompt displayed in the terminal. It…
Bash Shell
Efficiently Reading a File Line by Line in a Shell Script
Reading a file line by line is a common task in many shell scripts, as it allows you to process…
General Articles
How to list all collections in MongoDB database
Question – How do I list all the collections available in the MongoDB database? MongoDB is a NoSQL database, that…
General Articles
(Resolved) -bash: /bin/mv: Argument list too long
When working with large numbers of files in Linux, it’s not uncommon to encounter the error “/bin/mv: Argument list too…
Bash Shell
Bash Concatenate Strings
Concatenating strings in Bash is as simple as combining them with the double-quote (“ ”) character. However, if your strings…