您还可以使用八进制取代符号设置权限。

You can also set permissions using octal Numbers instead of symbols.

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实现方法是创建一个压缩的符号字典，取代行级重复数据模式。

It does this by creating a compression dictionary of symbols which replace repeating data patterns at the row level.

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汇编程序大体上是一样的，低层次的抽象，即使记住像MOV的助记符号而取代其相应的二进制表示要稍微容易。

Assemblers work principally at the same, low level of abstraction, even though it's somewhat easier to remember a mnemonic like MOV instead of its corresponding binary representation.

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