This is a command line tools written by Rust. All commands had implemented just can work on unix-like os.
这是一个由 Rust 语言实现的命令行工具, 目前已经实现的命令只能在类 Unix 系统上执行。
It seem as same as ls command on Unix, but the different is nls has 'tree' option to show the content as tree.
这个命令跟 Unix 系统中的 ls 很像，但不同的是增加了 'tree' 这个选项，用于以树结构对目标路径进行显示。