[crontab命令](crontab命令.md) [ntsysv命令](ntsysv命令.md) [chkconfig命令](chkconfig命令.md) [export命令](export命令.md) [ps命令](ps命令.md) [pstree命令](pstree命令.md) [service命令](service命令.md) [kill命令](kill命令.md) [ulimit命令](ulimit命令.md)