How does ls command usage differ between distributions?

The `ls` command is a fundamental command used in Linux for listing directory contents. While its basic functionality remains the same across different distributions, certain options and behaviors may vary depending on the specific Linux distribution and version. Understanding these differences can help users effectively navigate and manage files in their respective environments.

# Basic usage of the ls command
ls -l          # Long format listing
ls -a          # Show hidden files
ls -lh         # Long format with human-readable file sizes

# Example of using ls with grep to filter results
ls -l | grep ".txt"  # List all .txt files with details