??????.????linux????
??????????wget??rpm??yum??????????
????wget??????????????????????
????rpm????????????????????? rpm qa | grep ???????
????yum ?????????????в????????????????????????????????
??????1??wget (World Wide Web get)????????????????????????????????????HTTP??HTTPS??FTP??????????TCP/IPЭ????????????????HTTP????
????wget url(??????????? wget http://mirrors.aliyun.com/repo/Centos-6.repo
????wget -O????????????????????  ?磺wget -O wordpress.zip http://www.centos.bz/download.php?id=1080
??????2?? RPM??RedHat Package Manager??RedHat?????????????????Windows?????“???/???????”
????RPM?????????????????????root?????????????????????κ??????????????????????????а?????????????????а??.
???????????rpm??????а?????????????.rpm ?????β????У?????rpm????????????????????????????????????????????rpm????????
????rpm -qa ???г????а?????????
????rpm -qa |grep yum ???????????а?????????????????“yum”?????????
????rpm -qf ????? ???????????????????????????????
????rpm -ql ????? ????????????????????δ?
????rpm -qi ????? ??????????????
????rpm -vih file.rpm ????????????????μ?rpm ???? -i : ??? -v : ????? -h : ??????????
???????????? http://www.cnblogs.com/xiaochaohuashengmi/archive/2011/10/08/2203153.html
??????3??Yum?????? Yellow dog Updater?? Modified?????????Fedora??RedHat???SUSE?е?Shell???????????????????RPM?????????????????????????????RPM???????????????????????????????????????????????????????????????????δ???????????
??????????(??foo-x.x.x.rpm???????yum install foo-x.x.x.rpm
????????????yum remove foo-x.x.x.rpm????yum erase foo-x.x.x.rpm
?????????????yum upgrade foo????yum update foo
????????????yum info foo
??????????????????foo??????????yum search foo
?????????????????????yum deplist foo