Creating a backup is a must if not a necessity for a SysAdmin job. Backup doesn't need to be complex or needs a very powerful software to do a backup. At the end of the day, whether it's a good commercial software creating a backup; what it does in the background is create another copy of the file or folders that needs to be backed up. So, for that reason a simple copy command with the existing tool in Windows can do a job also for some simple backup like logs or other files. Why need to backup the logs? In a security perspective and audit purposes, logs are very important. Of course, it will also depend on the contents of the log whether it is quite detailed or important data is captured like username, IP Address, time, files and folder being accessed and other data. Problems or issues may not be detected in real-time or issues maybe notice at a later time but the action that cause the issue happened some time ago as well, in which the only witness are the logs. A simple batch...
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