Display the resolved absolute path for a file or directory. More information: https://www.gnu.org/software/coreutils/realpath.
realpath path/to/file_or_directory
realpath --canonicalize-existing path/to/file_or_directory
realpath --logical path/to/file_or_directory
realpath --no-symlinks path/to/file_or_directory
realpath --quiet path/to/file_or_directory