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Community Member

Cisco IOS

Hi guys,

Just curious to know. What programming language is used to write the Cisco IOS?

Thanks.

4 REPLIES
Blue

Re: Cisco IOS

IOS, for the most part it seems, is written in C.

Bronze

Re: Cisco IOS

C should be the language used for the IOS. Also, most of the high end routers have support for Tcl right from the command line.

Hope this helps.

Re: Cisco IOS

Hi

I believe the IOS is written with a combination of C and assembly.The hardware management in an IOS seems to be written with assembly language and the user console with C.

This is in my opinion only/

Regards

JD

Community Member

Re: Cisco IOS

dont know which launguage, but based on linux only.

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