$ curl cheat.sh/
# unlink
# Remove a link to a file from the filesystem.
# The file contents is lost if the link is the last one to the file.
# More information: <https://www.gnu.org/software/coreutils/unlink>.

# Remove the specified file if it is the last link:
unlink path/to/file

$
Follow @igor_chubin cheat.sh tldr