Header: The header section shows the CPU usage, memory usage, swap usage, load average, and system uptime. You can start htop in monochrome mode by invoking htop -C (uppercase C required, lowercase will not work) at the command line. To change the refresh interval of the htop output, use the -d command line option. htop is a replacement, or rather supplement to the well-known, tried and tested “top”, offering many enhancements such as mouse support, the direct killing of processes, and a more human … PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 00001 bob 25 0 77380 1212 1200 R 95.8 0.0 89122:13 fee 00002 bob 25 0 77380 1196 1184 R 95.4 0.0 88954:14 fi 00003 sam 18 0 427m 16m 6308 R 30.0 0.1 54:46.43 fo 00004 sam 18 0 427m 16m 6308 R 26.5 0.1 52:55.33 fum Most people familiar with Linux have used the top command line utility to see what process is taking the most CPU or memory. htop -d 10 9. Putting monochrome output on the side and returning to our more pleasant colorful and default htop output, what do each of the colors signify? You can interactively monitor your system’s vital resources or processes in real-time. # yum install htop. There is a great command line program aha that can be used to convert ANSI into HTML. Changing the Refresh rate of Output The -d option in the htop command allows its users to change the output refresh interval in terms of seconds. $ uptime 12: 59: 09 up 32 min, 1 user, load average: 0.00, 0.01, 0.03 They are taken from the /proc/loadavg file. apt-get install aha Save htop output as HTML file. Syntax: sudo htop -d