# ERROR in ruby gem

**URL:** <https://www.ruby-forum.com/t/error-in-ruby-gem/138442>\
**Category:** Ruby\
**Created:** [May 23, 2008, 3:04am UTC](https://www.ruby-forum.com/t/error-in-ruby-gem/138442 "2008-05-23T03:04:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![coolwong](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/d9b06d/32.png) [@coolwong](https://www.ruby-forum.com/u/coolwong)\
**Post date:** [May 23, 2008, 3:04am UTC](https://www.ruby-forum.com/t/error-in-ruby-gem/138442/1 "2008-05-23T03:04:42Z")

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I type “gem --help” in the command, there appear the “Bad Command”. Now  
i cannot install other gem into my computer, any1 can help me?

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**Author:** ![coolwong](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/d9b06d/32.png) [@coolwong](https://www.ruby-forum.com/u/coolwong)\
**Post date:** [May 23, 2008, 10:38pm UTC](https://www.ruby-forum.com/t/error-in-ruby-gem/138442/2 "2008-05-23T22:38:49Z")

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Cool W. wrote:

> I type “gem --help” in the command, there appear the “Bad Command”. Now  
> i cannot install other gem into my computer, any1 can help me?

make sure gem’s in your path. Are you on windows or linux?  
Try reinstalling gems.