用scp命令远程拷贝后出现permission denied是什么原因？

Question

系统发来一封信说：
Date: Tue, 12 Apr 2011 14:26:01 +0800
Message-Id: <201104120626.p3C6Q1jb007202@localhost.localdomain>
From: root@localhost.localdomain (Cron Daemon)
To: zhangweiwen@localhost.localdomain
Subject: Cron <zhangweiwen@localhost> /bin/reboot
Content-Type: text/plain; charset=UTF-8
Auto-Submitted: auto-generated
X-Cron-Env: <SHELL=/bin/sh>
X-Cron-Env: <HOME=/home/zhangweiwen>
X-Cron-Env: <PATH=/usr/bin:/bin>
X-Cron-Env: <LOGNAME=zhangweiwen>
X-Cron-Env: <USER=zhangweiwen>

/bin/sh: /bin/reboot: No such file or directory

请问是什么原因？

Answer 1

/bin/reboot: No such file or directory

看 reboot 具体路径

Answer 2

这个和 reboot 有什么关系啊？