top is a command in Linux used to view current processes, CPU, memory, and other information.
1. Filter by User
<span>top</span> and then press <span>u</span> to enter the username you want to view.
2. Filter by Command
<span>top</span> and then press <span>o</span> to enter <span>COMMAND=xxx</span>, which will only display the xxx program.
<span>top</span> and then press <span>o</span> to enter <span>%CPU>2.0</span>, which will only display processes with a CPU percentage greater than 2%.
3. Cancel Filtering
Press <span>=</span> to cancel all filters.
4. Sort by Memory Size
<span>top</span> and then press <span>M</span>.
5. Sort by CPU Usage
<span>top</span> and then press <span>P</span>.
6. Display Detailed Information of COMMAND
<span>top</span> and then press <span>c</span> to display detailed information of the COMMAND.
7. More configurations for top can be set by pressing <span>f</span>, such as hiding or displaying certain columns.
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