Linux system rename (move) files and delete (remove) files

There are many Linux system to rename files and delete files ways,
most commonly on, mv (move) to rename, rm (remove) deleted.

Rename> Case:

mv flags.ppm poland.ppm
//将flags.ppm 文件重命名为 poland.ppm 文件

Delete> Case:

rm flags.ppm
//删除flags.ppm 文件