UNIX time-sharing system UNIX分时系统
Working with streams is so natural in the UNIX environment that most of the time you don't even notice that you are doing this.
在UNIX环境中使用流是如此自然以至于大多数时间您甚至没有意识到自己在这么做。
Another useful means of increasing office productivity using UNIX is to time commands that you regularly execute.
使用UNIX提高办公工作效率的另一种有价值的方式是,计算经常执行的命令所花费的时间。
No one who works with UNIX for any length of time can avoid eventually writing some Perl code.
使用UNIX的人(无论其使用时间长短),最终都无法避免编写一些Perl代码。
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