摘要： 当一台服务器上有很多侦听时，如何用脚本一次起动 #!/bin/bash #+++++++++++++++++++++++++++++++++++++++++++++ # stop and start all oracle database listener in a server # # Param 阅读全文

摘要： tr [OPTION]... SET1 [SET2] -s 替换重复的字符 -s： squeeze-repeats，用SET1指定的字符来替换对应的重复字符 （replace each input sequence of a repeated character that is listed in 阅读全文