yum是一个在Fedora和RedHat以及SUSE中的Shell前端软件包管理器。基於RPM包管理可以自动处理依赖性关系，并且一次安装所有依赖的软体包，无须繁琐地一次次下载、安装。

yumlistinstalled

yum针对软件包操作常用命令：

1.使用yum查找软件包命令：yumsearch2.列出所有可安装的软件包命令：yumlist3.列出所有可更新的软件包命令：yumlistupdates4.列出所有已安装的软件包命令：yumlistinstalledyum 语法

yum[options][command][package...]

其它的例子就不列举了，这里说一下查看yum安装了哪些软件包

yumlistinstalledphpLoadedplugins:fastestmirrorLoadingmirrorspeedsfromcachedhostfile*epel:mirrors.kernel.org*remi-safe:mirrors.uni-ruse.bgInstalledPackagesphp.x86_645.6.40-14.el7.remi查看 yum 已安装 php 相关的包

yumlistinstalledphp*Loadedplugins:fastestmirrorLoadingmirrorspeedsfromcachedhostfile*epel:mirrors.kernel.org*remi-safe:mirror.team-cymru.comInstalledPackagesphp.x86_645.6.40-14.el7.remiphp-cli.x86_645.6.40-14.el7.remiphp-common.x86_645.6.40-14.el7.remiphp-devel.x86_645.6.40-14.el7.remiphp-doctrine-instantiator.noarch1.0.5-1.el7.remiphp-fedora-autoloader.noarch1.0.0-1.el7.remiphp-mbstring.x86_645.6.40-14.el7.remiphp-mcrypt.x86_645.6.40-14.el7.remiphp-myclabs-deep-copy.noarch1.7.0-1.el7.remiphp-mysqlnd.x86_645.6.40-14.el7.remiphp-opcache.x86_645.6.40-14.el7.remiphp-pdo.x86_645.6.40-14.el7.remiphp-pear.noarch1:1.10.10-4.el7.remiphp-pecl-jsonc.x86_641.3.10-2.el7.remi.5.6php-pecl-jsonc-devel.x86_641.3.10-2.el7.remi.5.6php-pecl-xdebug.x86_642.5.5-1.el7.remi.5.6php-pecl-xhprof.x86_640.9.4-4.el7.remi.5.6php-pecl-zip.x86_641.15.5-1.el7.remi.5.6php-phpdocumentor-reflection-common.noarch1.0.1-1.el7.remiphp-phpdocumentor-reflection-docblock.noarch3.2.2-4.el7.remiphp-phpdocumentor-type-resolver.noarch0.4.0-5.el7.remiphp-phpspec-prophecy.noarch1.9.0-1.el7.remiphp-phpunit-File-Iterator.noarch1.4.5-1.el7.remiphp-phpunit-PHP-CodeCoverage.noarch4.0.8-4.el7.remiphp-phpunit-PHP-Invoker.noarch1.1.4-5.el7.remiphp-phpunit-PHP-Timer.noarch1.0.9-1.el7.remiphp-phpunit-PHP-TokenStream.noarch1:1.4.12-1.el7.remiphp-phpunit-PHPUnit.noarch5.7.27-6.el7.remiphp-phpunit-PHPUnit-MockObject.noarch3.4.4-5.el7.remiphp-phpunit-Text-Template.noarch1.2.1-1.el7.remiphp-phpunit-Version.noarch2.0.1-1.el7.remiphp-phpunit-comparator.noarch1.2.4-4.el7.remiphp-phpunit-diff.noarch1.4.3-6.el7.remiphp-phpunit-environment.noarch2.0.0-1.el7.remiphp-phpunit-exporter.noarch2.0.0-4.el7.remiphp-process.x86_645.6.40-14.el7.remiphp-sebastian-code-unit-reverse-lookup.noarch1.0.1-1.el7.remiphp-sebastian-global-state.noarch1.1.1-1.el7.remiphp-sebastian-object-enumerator.noarch2.0.1-2.el7.remiphp-sebastian-recursion-context.noarch2.0.0-1.el7.remiphp-sebastian-resource-operations.noarch1.0.0-2.el7.remiphp-soap.x86_645.6.40-14.el7.remiphp-symfony-class-loader.noarch2.8.52-2.el7.remiphp-symfony-common.noarch2.8.52-2.el7.remiphp-symfony-yaml.noarch2.8.52-2.el7.remiphp-webmozart-assert.noarch1.4.0-1.el7.remiphp-xml.x86_645.6.40-14.el7.remi