在AWS上执行命令df–k，以下是命令执行后的结果信息。 FilesystemkbytesusedavailcapacityMountedon /dev/dsk/c0t1d0s050435181410329358275429%/ /dev/dsk/c0t0d0s6198643995156797527950%/usr /proc0000%/proc fd0000%/dev/fd mnttab0000%/etc/mnttab /dev/dsk/c0t1d0s3102959243393593679937234%/var swap19639921619639761%/var/run swap1965872189619639761%/tmp /dev/dsk/c0t0d0s766862812447439417198037%/opt 根据以上信息可知，缺省情况下，AWS系统文件安装在分区（）。中

• A、/dev/dsk/c0t1d0s0
• B、/dev/dsk/c0t1d0s3
• C、/dev/dsk/c0t0d0s6
• D、/dev/dsk/c0t0d0s7