[CentOS] Check version from installer disc

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Elliott Balsley wrote:
>> From a end state perspective, it does not matter . . yum update after
>> the install (of either) ends at exactly the same place.
>
> I will not be running any updates, because I need to keep a specific old
> version for software compatibility. I don't know which ISO the USB stick
> was made from.
>>
>> Also, a 'uname -a'  from the command prompt will tell you ..
>
> This would be perfect; how do you get to a shell from the installer? I
> only see the option to install.
>
> That is also the only version which is tested at any point in time.

>From the UI of the installer, <ctrl><alt><f[2-5]

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