# How to use linux commands in ruby?

**URL:** <https://www.ruby-forum.com/t/how-to-use-linux-commands-in-ruby/105294>\
**Category:** Rails\
**Created:** [May 28, 2007, 3:16pm UTC](https://www.ruby-forum.com/t/how-to-use-linux-commands-in-ruby/105294 "2007-05-28T15:16:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![selvaraj](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/8797f3/32.png) [@selvaraj](https://www.ruby-forum.com/u/selvaraj)\
**Post date:** [May 28, 2007, 3:16pm UTC](https://www.ruby-forum.com/t/how-to-use-linux-commands-in-ruby/105294/1 "2007-05-28T15:16:40Z")

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Hi  
I try to use ‘at’ command in ruby file. I am not able to do this.  
basically I want to run adhoc scheduling in my application.

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<div class="post-metadata">

**Author:** ![selvaraj](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/8797f3/32.png) [@selvaraj](https://www.ruby-forum.com/u/selvaraj)\
**Post date:** [May 28, 2007, 4:19pm UTC](https://www.ruby-forum.com/t/how-to-use-linux-commands-in-ruby/105294/2 "2007-05-28T16:19:31Z")

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Try this:  
system(‘commmand’)  
or  
`command`