# coreutils > Uutils coreutils is a cross-platform reimplementation of the GNU coreutils in Rust Language. > Uutils includes a multi-call binary from which the utils can be invoked. This reduces the binary size of the binary and can be useful for portability. > More information: . - Run a utility with arguments: `coreutils {{util}} {{util_options}}` - List files in [l]ong format: `coreutils ls -l` - Display help for `ls`: `coreutils ls --help`