例如，
ps -ef
Display full information about each of the processes currently running.
UID PID PPID C STIME TTY TIME CMD
hope 29197 18961 0 Sep27 ? 00:00:06 sshd: hope@pts/87
hope 32097 29197 0 Sep27 pts/87 00:00:00 -csh
hope 7209 32097 0 12:17 pts/87 00:00:00 ps -ef
名为C提供？
答案1
从ps(1)手册页中，标准格式说明符部分：
c C processor utilization. Currently, this is the integer
value of the percent usage over the lifetime of the
process. (see %cpu).