“ps辅助"有效，但“ps -aux"没有 [英] "ps aux" works but "ps -aux" doesn't

问题描述

这似乎是一个愚蠢的问题，但我一直无法找到明确的答案.

本网站声明破折号在

中是可选的

ps 辅助

但是，ps aux 可以工作，但 ps -aux 会出现错误 no user named 'x'.有什么想法可能是这里的问题吗?运行 Mac 10.8.2.谢谢

解决方案

man ps

会给你这个:

<块引用>

 最大的变化在于 -u 选项的解释，现在显示属于指定用户名的进程.因此，ps-aux" 将失败(除非您想了解用户x").作为一个conve-但是，ps aux"仍然像在 Tiger 中一样工作.

This might seem like a silly question but I haven't been able to find a clear answer.

This website states that the dash is optional in

ps aux

However, ps aux works but ps -aux brings up the error no user named 'x'. Any ideas what the issue may be here? Running Mac 10.8.2. Thanks

解决方案

man ps

will give you this:

 The biggest change is in the interpretation of the -u option, which now
 displays processes belonging to the specified username(s).  Thus, "ps
 -aux" will fail (unless you want to know about user "x").  As a conve-
 nience, however, "ps aux" still works as it did in Tiger.

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