read file program的意思|示意

When a program tries to read a file, small portions of that file are read from several disks in parallel.

当一个程序试图读取某个文件时，可以并行地从多块磁盘上分别读取这个文件的某些部分。

A LISP program can read LISP statements from a text file and execute them as if they were part of the original program.

LISP程序可以从文本文件中读取语句，并且好像它们是原始程序一部分一样执行它们。

Fine-grained access control goes beyond granting or denying the right to execute a program or read a data file.

细粒度访问控制不只是授予或拒绝执行程序或读取数据文件的权限。