$ cd /var/tmp
$ ssh remote-host dd if=/dev/rmt/n | tar xvBpf -
指明使用 dd 命令从磁带设备中提取文件时启动的安全 shell。
指明输入设备。
将 dd 命令的输出传输到用于恢复文件的 tar 命令。
$ ls -l
$ cd /var/tmp $ ssh mercury dd if=/dev/rmt/0 | tar xvBpf - password: x answers/, 0 bytes, 0 tape blocks x answers/test129, 48 bytes, 1 tape blocks 20+0 records in 20+0 records out x sc.directives/, 0 bytes, 0 tape blocks x sc.directives/sc.190089, 77 bytes, 1 tape blocks x tests/, 0 bytes, 0 tape blocks x tests/test131, 84 bytes, 1 tape blocks $ ls -l