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var/cache/apt/archives occupying huge space I am in the process of cleaning up my system. And I see a lot of space occupied by this folder /var/cache/ 阅读全文
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I see pretty much all the answers recommend deleting the lock. I don't recommend doing that as a first measure; maybe if there is no alternative. The 阅读全文
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原文： http://man.linuxde.net/watch watch命令以周期性的方式执行给定的指令，指令输出以全屏方式显示。watch是一个非常实用的命令，基本所有的Linux发行版都带有这个小工具，如同名字一样，watch可以帮你监测一个命令的运行结果，省得你一遍遍的手动运行。 语法 选 阅读全文