软件包名称-软件包版本-软件包修订次数(3.el).适用的硬件平台.扩展名

[root@szm bash]# yum -h

Loaded plugins: fastestmirror, priorities, refresh-packagekit

Usage: yum [options] COMMAND

List of Commands:

check          Check for problems in the rpmdb

check-update   Check for available package updates

clean          Remove cached data

deplist        List a package's dependencies

distribution-synchronization Synchronize installed packages to the latest available versions

downgrade      downgrade a package---下载可用升级包

erase          Remove a package or packages from your system

groupinfo      Display details about a package group

groupinstall   Install the packages in a group on your system

grouplist      List available package groups

groupremove    Remove the packages in a group from your system

help           Display a helpful usage message

history        Display, or use, the transaction history

info           Display details about a package or group of packages

install        Install a package or packages on your system

list           List a package or groups of packages

load-transaction load a saved transaction from filename

makecache      Generate the metadata cache

provides       Find what package provides the given value--从特别的文件搜索软件包

reinstall      reinstall a package

repolist       Display the configured software repositories----查看软件仓库信息

resolvedep     Determine which package provides the given dependency--查询软件包依赖

search         Search package details for the given string

shell          Run an interactive yum shell

update         Update a package or packages on your system

upgrade        Update packages taking obsoletes into account

version        Display a version for the machine and/or available repos.

Options:

-h, --help            show this help message and exit

-t, --tolerant        be tolerant of errors

-C, --cacheonly       run entirely from system cache, don't update cache

-c [config file], --config=[config file]

config file location

-R [minutes], --randomwait=[minutes]

maximum command wait time

-d [debug level], --debuglevel=[debug level]

debugging output level

--showduplicates      show duplicates, in repos, in list/search commands

-e [error level], --errorlevel=[error level]

error output level

--rpmverbosity=[debug level name]

debugging output level for rpm

-q, --quiet           quiet operation

-v, --verbose         verbose operation

-y, --assumeyes       answer yes for all questions

--version             show Yum version and exit

--installroot=[path]  set install root----设置指定安装目录

--enablerepo=[repo]   enable one or more repositories (wildcards allowed)

--disablerepo=[repo]  disable one or more repositories (wildcards allowed)

-x [package], --exclude=[package]

exclude package(s) by name or glob

--disableexcludes=[repo]

disable exclude from main, for a repo or for

everything

--obsoletes           enable obsoletes processing during updates

--noplugins           disable Yum plugins

--nogpgcheck          disable gpg signature checking

--disableplugin=[plugin]

disable plugins by name

--enableplugin=[plugin]

enable plugins by name

--skip-broken         skip packages with depsolving problems

--color=COLOR         control whether color is used

--releasever=RELEASEVER

set value of $releasever in yum config and repo files

--setopt=SETOPTS      set arbitrary config and repo options

Plugin Options:

--samearch-priorities

Priority-exclude packages based on name + arch