一、
# ps -aux|head -n 2
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 196332 13704 ? Ss Jun06 121:46 /usr/lib/systemd/systemd --switched-root --system --deserialize 17
#按cup/内存排序 ps -aux | sort -rnk 3 | head -20 （3为按cpu排序,4为按内存排序）
Reference: https://www.cnblogs.com/dgp-zjz/p/11228463.html
标签：ps,--,0.0,内存,排序,034 From： https://www.cnblogs.com/itcomputer/p/16706519.html