在Linux下擷取協助

在Linux下擷取協助 man   www.2cto.com  man [選項] [命令名稱]man目錄：[root@node203 /]# ls /usr/share/manman initman -k  keywordman -f  keywordman -a  keywordman  -n  keyword   //不存在的參數，直接顯示man的參數Help可以用來尋找Shell命令的用法ll --help infoinfo mknodwhereis尋找命令所在的位置whereis lsOPTIONS       -b     Search only for binaries.只尋找二進位檔案       -m     Search only for manual sections.  //尋找主要檔案       -s     Search only for sources.//尋找來源       -u     Search  for unusual entries.  A file is said to be unusual if it              does  not  have  one  entry  of  each  requested   type.    Thus              ‘whereis  -m  -u  *’  asks for those files in the current direc-              tory which have no documentation. //尋找不常用的記錄檔案       -B     Change or otherwise limit the places where whereis searches  for              binaries.       -M     Change  or otherwise limit the places where whereis searches for              manual sections.       -S     Change or otherwise limit the places where whereis searches  for              sources.       -f     Terminate  the last directory list and signals the start of file              names, and must be used when any of the -B, -M,  or  -S  options              are used.