Go back to 150-810 - Brocade Certified Ethernet Fabric Professional 2013 Exam

Question :-

You want to save vi changes to the file myfile with :w!, but vi complains it can not write to the file. Therefore, you want to check the write permissions on the file. To do this without leaving vi, you type:
:!ls -l myfile
:\ls -l myfile
esc :ls -l myfile
:?ls -l myfile

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