RUN mysqldump -umyid -pmypass admdata > c:\backup1.txt
RUN /n mysqldump -umyid -pmypass admdata > c:\backup2.txt
RUN mysqldump -umyid -pmypass admdata > c:\backup3.txt /n
the first one (without /n) creates a complete backup file. the second one (with /n) doesn't create any file. the third on (with /n at the back) create an empty file
