l

The command line tool "l" is a commonly used command for listing files and directories in Unix-based operating systems. It is a short form of the "ls" command, which stands for "list directory contents."

When you run the "l" command without any arguments, it lists the files and directories in the current directory. By default, it displays the filenames in a simple, columnar format, showing basic information such as the file/directory names, permissions, owner, size, and modification date.

The "l" command provides various options to modify its behavior. For example, you can use the "-l" option to display a detailed list view, including additional information such as file permissions, owner, group, file size, and modification time. The "-a" option lists all files, including hidden ones that start with a dot (.), while the "-R" option recursively lists files and directories in subdirectories.

Overall, the "l" command is widely used by system administrators, programmers, and regular users for quickly inspecting the contents of directories and files in a command line interface.