Sentinel is a simple application which facilitates monitoring and observing the command output. By allowing the process output to be monitored with periodic execution, it becomes easy to observe changes over time. This program is similar to the watch command line program, but includes additional features, such as diff-ing output with previous output and coloring lines of output that have changed.
The history of iterative command execution can also be examined retroactively.
Provides point-and-click user interfaces for controlling the command-line tools
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