dir

The dir command is a command line tool used in various operating systems, such as Windows, DOS, and Linux. It is primarily used to list the contents of a directory (folder) on a command line interface.

1. The dir command is short for "directory" and is available in various operating systems.
2. It provides a simple and efficient way to view the files and subdirectories within a specified directory.
3. When executed, the dir command displays a list of filenames, file sizes, and modification timestamps.
4. By default, it lists the contents of the current directory in the command prompt.
5. The dir command can accept several options to modify its behavior such as displaying hidden files, sorting by various criteria, or displaying additional information.
6. It can also be used with wildcards to filter files and directories based on their names or extensions.
7. The command can display file sizes in different units, such as bytes, kilobytes, or megabytes.
8. It allows users to navigate through directories using relative or absolute paths.
9. In advanced implementations, the dir command can be used to search for files that match specific criteria, using regular expressions or filters.
10. Overall, the dir command is a versatile tool for directory listing and navigation, making it essential for managing files and folders from the command line interface.