新学了几个命令：）
时间：2005-01-18 来源：sunday98
chmod 555 scriptname (gives everyone read/execute permission)
chmod +rx scriptname (gives everyone read/execute permission)
chmod u+rx scriptname (gives only the script owner read/execute permission)
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时间：2005-01-18 来源：sunday98
chmod 555 scriptname (gives everyone read/execute permission)
chmod +rx scriptname (gives everyone read/execute permission)
chmod u+rx scriptname (gives only the script owner read/execute permission)
