Matlab , 

Matlab online basic   

>> open("asbCubeSatMBSEProject.sltx");

Error using open

File 'asbCubeSatMBSEProject.sltx' not found.

>> ver

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MATLAB Version: 23.2.0.2436196 (R2023b) Update 4

MATLAB License Number: MATLAB Online (basic)

Operating System: Linux 5.15.0-1034-aws #38~20.04.1-Ubuntu SMP Wed Mar 29 19:48:16 UTC 2023 x86_64

Java Version: Java 1.8.0_292-b10 with AdoptOpenJDK OpenJDK 64-Bit Server VM mixed mode

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MATLAB                                                Version 23.2        (R2023b)

Simulink                                              Version 23.2        (R2023b)

Control System Toolbox                                Version 23.2        (R2023b)

Curve Fitting Toolbox                                 Version 23.2        (R2023b)

Deep Learning Toolbox                                 Version 23.2        (R2023b)

Image Processing Toolbox                              Version 23.2        (R2023b)

Optimization Toolbox                                  Version 23.2        (R2023b)

Signal Processing Toolbox                             Version 23.2        (R2023b)

Statistics and Machine Learning Toolbox               Version 23.2        (R2023b)

Symbolic Math Toolbox                                 Version 23.2        (R2023b)

Text Analytics Toolbox                                Version 23.2        (R2023b)