A symbolic link, also known as a symlink, is a special type of file that points to another file or directory. Symbolic links are often used to create shortcuts to files or directories that are located in different parts of the file system. To check if a file is a symbolic link, you can use the `ls -l` command. If the file is a symbolic link, the output of the `ls -l` command will include the letter `l` in the first column.
Symbolic links can be useful for a variety of purposes. For example, you can use symbolic links to: