检测进程使用/修改/创建/删除哪些文件的最佳方法是什么？

I want to write software that will detect all used/created/modified/deleted files during the execution of a process (and its child processes). The process has not yet run - the user provides a command line which will later be subprocessed via bash, so we can do things before and after execution, and control the environment the command is run in.I want to write software that will detect all u