top command real-time display system resource consumption of each process, its output is divided into two parts, the first part of the system statistics, the second half is process information.
The first line is the task queue information, the result is equivalent to its uptime command.
The second line is the process statistics:
The third line is the CPU information
The fourth line is the memory information
The fifth line is the area of information exchange
After that process statistics
Reference to other network commands: https: //blog.csdn.net/qq_34021920/article/details/80543315
vmstat it can count the CPU , memory usage, swap information about the usage and so on. You can also specify the sampling period and the number of times.
iostat can display cpu and disk information, add the -d parameter to display only the disk information
