Centos linux系统查看进程ps命令的用法
[root@VM-0-15-centos ~]# ps --helpUsage: ps [options] Try 'ps --help <simple|list|output|threads|misc|all>' or 'ps --help <s|l|o|t|m|a>' for additional help text.For more details see ps(1).[root@VM-0-15-centos ~]# ps --help allUsage: ps [optio...
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