Linux 基本概念

Posted by: JiaLiang Liao 14 years, 11 months ago

文件时间标记

Unix 记录了文件的三种时间属性，使用 stat 命令可以查看文件的时间属性。

mtime 文件内容发生更改的时间。

ctime 文件属性发生更改的时间。

atime 文件上次被程序所脚本访问的时间。

动态链接库

ld.so.conf

系统动态链接库的配置文件 /etc/ld.so.conf，此文件内存放着可被 Linux 共享的动态链接库所在目录的名字
系统目录 /lib， /usr/lib 是默认路径，不需要加入该文件。
各个目录名间以空白字符(空格，换行等)或冒号或逗号分隔。
修改该文件后执行 ldconfig，使用配置文件生效。

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