# Rtl simulation

**URL:** https://forums.sifive.com/t/rtl-simulation/626
**Category:** Freedom E300
**Created:** [July 6, 2017, 4:13am UTC](https://forums.sifive.com/t/rtl-simulation/626 "2017-07-06T04:13:00Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![ling](https://avatars.discourse-cdn.com/v4/letter/l/c2a13f/32.png) [@ling](https://forums.sifive.com/u/ling)
#### Post date: [July 6, 2017, 4:13am UTC](https://forums.sifive.com/t/rtl-simulation/626/1 "2017-07-06T04:13:00Z")

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is this simv a shell script? I can’t find it anywhere

![](https://us1.discourse-cdn.com/flex020/uploads/sifive/original/1X/1eef322ddf480aa2d876d1473b02c2ab5d540dc2.png)

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### Author: ![mwachs5](https://sea2.discourse-cdn.com/flex020/user_avatar/forums.sifive.com/mwachs5/32/13_2.png) [@mwachs5](https://forums.sifive.com/u/mwachs5)
#### Post date: [July 6, 2017, 4:40pm UTC](https://forums.sifive.com/t/rtl-simulation/626/2 "2017-07-06T16:40:47Z")

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`simv` is the result of doing a VCS compilation of the verilog and testbench.