How will you revert to the last-saved version of a file

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Reference no: EM131876528

Problem

1. How will you revert to the last-saved version of a file?

2. How will you ensure that vi automatically saves a file when moving from one file to another?

3. In the midst of your work, how can you see the list of users logged in? If you have a number of UNIX commands to execute, which course of action will you take?

Reference no: EM131876528

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