mac指令

按 Command + 空格，输入 终端（或者 Terminal），回车。

打开后把这三条命令逐条复制进去，每条跑完把结果告诉我：

top -l 1 | head -15

vm_stat | head -5

diskutil info disk0 | grep -E "Solid State|Fusion|Rotational"

invalid option or syntax: -1
top usage: top
		[-a | -d | -e | -c <mode>]
		[-F | -f]
		[-h]
		[-i <interval>]
		[-l <samples>]
		[-ncols <columns>]
		[-o <key>] [-O <secondaryKey>]
			keys: pid (default), command, cpu, cpu_me, cpu_others, csw,
				time, threads, ports, mregion, mem, rprvt, purg, vsize, vprvt,
				kprvt, kshrd, pgrp, ppid, state, uid, wq, faults, cow, user,
				msgsent, msgrecv, sysbsd, sysmach, pageins, boosts, instrs, cycles
		[-R | -r]
		[-S]
		[-s <delay>]
		[-n <nprocs>]
		[-stats <key(s)>]
		[-pid <processid>]
		[-user <username>]
		[-U <username>]
		[-u]

admin@Macmini ~ % vm_stat | head -5
Mach Virtual Memory Statistics: (page size of 4096 bytes)
Pages free:                              193222.
Pages active:                            605225.
Pages inactive:                          579869.
Pages speculative:                        24452.
admin@Macmini ~ % diskutil info disk0 | grep -E "Solid State|Fusion|Rotational"
   Solid State:               Yes
admin@Macmini ~ %