大家好，我是架构君，一个会写代码吟诗的架构师。今天说一说macbook topcase_mac清理缓存四个键,希望能够帮助大家进步!!!
代码语言：javascript复制State Command Description
? Display this help screen.
n c<mode> Set event counting mode to {a|d|e|n}.
pid o<key> Set primary sort key to <key>: [ -]keyname.
Keyname may be:{pid|command|cpu|csw|time|threads|
ports|mregion|rprvt|rshrd|rsize|vsize|vprvt|pgrp|
ppid|state|uid|wq|faults|cow|user|msgsent|msgrecv|
sysbsd|sysmach|pageins}.
pid O<skey> Set secondary sort key to <skey> (see o<key>).
q Quit top.
S<sig>n<pid> Send signal <sig> to pid <pid>.
1 s<delay> Set the delay between updates to <delay> seconds.
off r Toggle the memory map reporting.
U<user> Only display processes owned by <user>, or all.
