Q: Why are there many files in the trash that cannot be recovered?

A: This is determined by the system, I can only wish you good luck.

SRE实战 互联网时代守护先锋，助力企业售后服务体系运筹帷幄！一键直达领取阿里云限量特价优惠。

 

Q: Which option should i select when shred files?

A: 1-pass erase is recommanded, since  too many erases will affect the life of the hard disk

 

 

 

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