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I found that in my cygwin,

The PS1 console have 2 lines and I want to solve it. This is due to "\n" at the end of PS1 But I cannot export it well due to "not a valid identifier" error.

How can I solve this? Many thanks.

enter image description here

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up vote 2 down vote accepted

When you say export, you don't use the dollar sign.

So it's export PS1=Hello World, not export $PS1=Hello World.

share|improve this answer's just my poor linux knowledge – Kit Ho Jan 18 '12 at 9:11

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