(single) In the Solaris vi editor, how to discard the edited file and exit vi?
(multiple) command. What are the correct meanings of the three points in ./.profile?
(multiple) UA2000 alarms are based on whether they are acknowledged and cleared. What are the alarm statuses?
(single) MA5600T/MA5680T one-pack loading mode can be uniformly loaded into the OLT device by grouping multiple files into one package file, which can greatly reduce the upgrade complexity of the OLT device. Which of the following options cannot be uniformly loaded by the unified package tool? ?
(single) Is the following description correct? The ADSL port can only allow further operations on the port after the port is unblocked.
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