Here is an example of the man command:first man LS shows: 650) this.width=650; "Src=" http://s3.51cto.com/wyfs02/M00/70/F2/ Wkiol1xbzityjvxnaaa8vovl4m4826.jpg "title=" Qq20150805163805.png "alt=" Wkiol1xbzityjvxnaaa8vovl4m4826.jpg "/> This sentence means that there is no man command in your Linux system ... If you don't believe me, check the location of the man command.so only yum installs this command. 650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/70/F2/wKioL1XBzk6yFB_FAAB4Q2kPIts781.jpg "title=" 2.png " alt= "Wkiol1xbzk6yfb_faab4q2kpits781.jpg"/>But the problem is that you don't know which installation package your Man command belongs to, and that's a headache. here is a way to find out the command to install the package, that is the following command 650) this.width=650; "Src=" http://s3.51cto.com/wyfs02/M02/70/F5/ Wkiom1xbzi3y2bu-aadujrsz0h4130.jpg "title=" 3.png "alt=" wkiom1xbzi3y2bu-aadujrsz0h4130.jpg "/>The following procedure is the installation of this command: 650) this.width=650; "Src=" http://s3.51cto.com/wyfs02/M01/70/F5/ Wkiom1xbzktsks7jaagk1zycago804.jpg "title=" 4.png "alt=" wkiom1xbzktsks7jaagk1zycago804.jpg "/>at the end of the installation, once the Man command was in place 650) this.width=650; "Src=" http://s3.51cto.com/wyfs02/M02/70/F2/ Wkiol1xbzskgvyohaabpiwvliq8938.jpg "title=" 5.png "alt=" wkiol1xbzskgvyohaabpiwvliq8938.jpg "/>
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Yum command to find out which installation package the command belongs to