Marcus Thornton questions

• Cannot access the shared folder in Virtual Box
• How to control parallel tasks in Linux to avoid too much context switch
• How to use phantomJS to simulate mouse hover on a HTML element
• What is EOF!! in the bash script?
• How does sizeof know the size of array? [duplicate]
• How to concatenate strings in windows batch file for loop?
• How to perform better document version control on Excel files and SQL schema files

Marcus Thornton answers