su命令切换到根用户
linuxprovidesrootaccountassuperuseroradministrator.asrootaccounthasallprivilegestomanageasystemthismaybeathreatformisuseorerereatformisusususssesesestoratoreaton nerallyusenormaluseraccountsindailyoperationandchangetothesuperuserwithsucommand。
Linux以超级用户或管理员身份提供root帐户。 root帐户具有管理系统的所有权限，因此管理员可能会遭到滥用或错误的威胁。 通常，日常操作使用普通用户帐户，通过su命令更改为超级用户。
路线(路线)。 rootexistallinuxsystemsandcannotbedeletedbecauseoflinuxprivilegesadministrationlogic.rootuserhasspecialhomedirectorylocated
root驻留在所有Linux系统上，并且由于Linux特权管理逻辑而无法删除。 root用户有一个位于/root的特殊主目录，其他用户在正常情况下无法读写或执行。
超级用户命令su(superusercommandsu )。 sometimesweneedtochangesuperusercompletesystemrelatedjobs.therearealternativeandmoresecurewaylikeusingsudocommandwhichichissssshoresteshomand allreadyexaminedthissudocommandinthefollowingtutorial。
您可能需要修改与超级用户的完整系统相关的任务。 还有其他更安全的方法，例如使用sudo命令。 这是超级用户do的缩写。 您在以下教程中查看了此sudo命令。
linuxsudocommandtutorialwithexamplestogetrootprivileges
包含获取根权限示例的Linux Sudo命令教程
sucommandwillaskforrootuserpasswordinordertobecomerootuser。
su命令提示root用户密码才能成为root用户。
$ su以超级用户身份运行单个命令(Run Single Command As Super User ) )。 wehavetheoptiontorunsinglecommandassuperuserbyusing-coptionandthecommand.inthisexamplewillrunmkdir/etc/testcommmandas
也可以使用-c选项和命令，以超级用户身份运行单个命令。 在本示例中，以root用户身份运行mkdir /etc/test命令并成功完成命令。
$ su-c ' mkdir/etc/test ' runsinglecommandassuperuser以超级用户身份查看单个命令和sudo之间的差异微信命令
我们可以如下所示比较su和sudo命令。
suwilldirectlychangetotherootuser
su将直接更改为根用户
sudowillusecurrentuserwithadministratorrootprivileges
sudo使用具有管理员或根权限的当前用户
suwillchangeuserlinuxenvironmenttotheroot
su将用户Linux环境更改为root
sudowillusecurrentuserenvironmentafterthecommandexecutioniscompleted
sudo将在命令执行完成后使用当前的用户环境
suwill require rootuser passw
ordsu将需要root用户密码
sudo will require current user password
sudo将需要当前的用户密码
sudo will require the current user added tot he WHEEL or ROOT group in the /etc/sudoers file.
sudo将要求当前用户添加到/etc/sudoers文件中的WHEEL或ROOT组。
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color: #3498DB; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://www.poftut.com/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .u74b39948f33807db319786080ba35dc1:hover .ctaButton { background-color: #E67E22!important; } .u74b39948f33807db319786080ba35dc1 .centered-text { display: table; height: 80px; padding-left: 18px; top: 0; } .u74b39948f33807db319786080ba35dc1 .u74b39948f33807db319786080ba35dc1-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .u74b39948f33807db319786080ba35dc1:after { content: ""; display: block; clear: both; } 了解更多Linux Sudo命令教程，并附带示例以获取root特权翻译自: https://www.poftut.com/become-superuser-or-root-with-su-command-in-linux/
su命令切换到root用户