Do you have SAGE_ROOT set permanently 
to Users/echolalie/Desktop/Sage-6.9.app for some reason? E.g. ~/.bashrc 
~/.bash_profile, ...,

Also, the "-bash: PS1: command not found" is suspicious. Not a Sage 
problem, but most likely an issue with your init files. What is $PS1?



On Thursday, March 31, 2016 at 8:27:37 PM UTC+2, Jacques Tramu wrote:
>
>  Hi, after installation of Sage-6.9 which did not work (unknow signal at 
> startup), I installed
> Sage 7-1. osX-10-11.3-x86-64 
> IT aborts with the following message :
>
>
> Last login: Thu Mar 31 19:20:44 on ttys000
> -bash: PS1: command not found
> '/Applications/SageMath-7.1.app/Contents/Resources/sage/sage' --notebook
> iMac-de-Jacques-Tramu:~ echolalie$ 
> '/Applications/SageMath-7.1.app/Contents/Resources/sage/sage' --notebook
> /Applications/SageMath-7.1.app/Contents/Resources/sage/sage: line 118: cd: 
> /Users/echolalie/Desktop/Sage-6.9.app/Contents/Resources/sage: No such file 
> or directory ?????
> /Applications/SageMath-7.1.app/Contents/Resources/sage/sage: cannot 
> determine SAGE_ROOT directory ??????
>
> Can you HELP ?
> Thanks
>
>
>

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