摘要:
schema = databasedb.opt保存database属性信息:character set and collatealter database xxxdrop database if exists xxx 阅读全文
摘要:
return value :0 or othersecho $? :last command return codecondition execution: 成功&&;失败||numeric expression: exp1 -eq|-ne|-lt|-le|-gt|-ge exp2signal:killtrap 阅读全文
摘要:
permission :d rwx rwx rwxu g ochmod ug-x /xxx;chmod a+x /xxx;chmod 777 /xxx 阅读全文