Working mechanism of wildcard characters, we call it pathname expansion. So how does the this expansion in Linux work? Example of pathname expansion Let’s try a simple example with the ls command, simply listing the current directory. linuxmint Pictures # ls 36845609-dragon-picture.jpg knight.jpg 481821.jpg macOS-Sierra-Wallpaper-Macbook-Wallpaper.jpg apple_icon.png mac.png bear.jpg Webcam Now try expansion with the printing

In this article, what will we learn about expansion in Linux? What does it do when we type the command on the terminal? Throughout this series, we only use a single echo command. This command is quite simple and probably everyone knows, it will print out the text content that we type from the keyboard.