/usr/bin/truncate The truncate utility adjusts the length of each regular file given on the command-line, or performs space management with the given offset and the length over a regular file given on the command-line.
/usr/local/bin/truncate The truncate utility adjusts the length of each regular file given on the command-line, or performs space management with the given offset and the length over a regular file given on the command-line.