Mac安装的Jenkins路径：/Users/Shared/Jenkins 该目录下存放着所有的Jenkins文件
卸载过程：
打开终端 输入命令：'/Library/Application Support/Jenkins/Uninstall.command'
终端会返回以下内容
Jenkins uninstallation script
The following commands are executed using sudo, so you need to be logged
in as an administrator. Please provide your password when prompted.
+ sudo launchctl unload /Library/LaunchDaemons/org.jenkins-ci.plist
Password:
+ sudo rm /Library/LaunchDaemons/org.jenkins-ci.plist
+ sudo rm -rf /Applications/Jenkins '/Library/Application Support/Jenkins' /Library/Documentation/Jenkins
+ sudo rm -rf /Users/Shared/Jenkins
+ sudo rm -rf /var/log/jenkins
+ sudo rm -f /etc/newsyslog.d/jenkins.conf
+ sudo dscl . -delete /Users/jenkins
+ sudo dscl . -delete /Groups/jenkins
+ pkgutil --pkgs
+ grep 'org\.jenkins-ci\.'
+ xargs -n 1 sudo pkgutil --forget
Forgot package 'org.jenkins-ci.support.pkg' on '/'.
Forgot package 'org.jenkins-ci.documentation.pkg' on '/'.
Forgot package 'org.jenkins-ci.launchd-jenkins.pkg' on '/'.
Forgot package 'org.jenkins-ci.jenkins2117.postflight.pkg' on '/'.
Forgot package 'org.jenkins-ci.jenkins.osx.pkg' on '/'.
+ set +x
Jenkins has been uninstalled.
出现以上内容说明Jenkins已经在Mac卸载完成，此时 可以打开浏览器 输入http://localhost:8080 出现以下内容
同时该路径：/Users/Shared/Jenkins消失 表示Jenkins已经彻底删除。