From: "Rich" 

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   I'm sure it was.  Usually options accepted and ignored are to avoid =
breaking old batch files.  It might be that it does do something for =
Windows 9x.  My guess is that it is the reverse of /Q.

Rich

  "Chris Robinson"  wrote
in message =
news:3E9BC22B.713B673B{at}NOSPAMtotalise.co.uk...
  From the discussion here it seams like it was a valid switch at least =
at some point in the past?  Is it just a case of not being valid any = more?=20
  Chris.=20

  Rich wrote:=20

       Don't bother.  /U is accepted and ignored.  It does nothing. Rich =
=20
      "Geo."  wrote in message =
news:3e9b38eb$1{at}w3.nls.net...cool, that is useful. I added a note on my =
website about that one so I don't=20
      lose it.=20
      Geo.=20

      "Chris Robinson"  wrote in =
message=20
      news:3E9AA49B.78ED7B90{at}NOSPAMtotalise.co.uk...=20
      > I hadn't heard of this one before so I thought I'd share it with =
you.  A=20
      > while back I was looking for DOS utilities that would completely =
wipe a=20
      > hard drive.  I found some useful ones (usually from the =
manufactureres=20
      > of the drive).  Today I found this tip in an issue of =
"Computing":=20
      >=20
      >     Use the undocumented "U" switch when formatting a drive.  =
It's a=20
      > switch that tells Format to rewrite sectors irrespective of =
what's in=20
      > them.  e.g. "FORMAT C: /U" will rewrite all the sectors =
irrespective of=20
      > what's in them.=20
      >=20
      > Pretty useful I thought, although it did remind me of the =
annoying=20
      > amount of "undocumented" switches - why are they
undocumented?  =
"hey,=20
      > our software can do this task but we're not going to tell you =
about it"=20
      >=20
      > Chris.=20
      >=20
      =20

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   I'm sure
it was.  =
Usually options=20
accepted and ignored are to avoid breaking old batch files.  It =
might be=20
that it does do something for Windows 9x.  My guess is that it is = the=20
reverse of /Q.
 
Rich
 

  "Chris Robinson" <c.robinson{at}NOSPAMtotalise=">mailto:c.robinson{at}NOSPAMtotalise.co.uk">c.robinson{at}NOSPAMtotalise=
.co.uk>=20
  wrote in message news:3E9BC22B.713B67=
3B{at}NOSPAMtotalise.co.uk...From=20
  the discussion here it seams like it was a valid switch at least at =
some point=20
  in the past?  Is it just a case of not being valid any more?=20
  Chris.=20
  Rich wrote:=20
  
    
      
Don't bother.  =
/U is=20
    accepted and ignored.  It does =
nothing. Rich =20
    "Geo."=20
      <georger{at}nls.net>">mailto:georger{at}nls.net">georger{at}nls.net>
=
wrote in=20
      message news:3e9b38eb$1{at}w3.nls.net...cool=
,=20
      that is useful. I added a note on my website about that one so I =
don't=20
      lose it.=20
      Geo.=20
      "Chris Robinson" <c.robinson{at}NOSPAMtotalise=">mailto:c.robinson{at}NOSPAMtotalise.co.uk">c.robinson{at}NOSPAMtotalise=
.co.uk>=20
      wrote in message news:3E9AA49B.78ED7B=
90{at}NOSPAMtotalise.co.uk...=20
      > I hadn't heard of this one before so I thought I'd share =
it with=20
      you.  A > while back I was looking for DOS
utilities =
that=20
      would completely wipe a > hard drive.  I found some =
useful=20
      ones (usually from the manufactureres > of the =
drive).  Today=20
      I found this tip in an issue of "Computing": >=20
      >     Use the
undocumented "U" switch =
when=20
      formatting a drive.  It's a > switch that
tells Format =
to=20
      rewrite sectors irrespective of what's in > them.  =
e.g.=20
      "FORMAT C: /U" will rewrite all the sectors irrespective of =
>=20
      what's in them. > > Pretty useful I
thought, =
although it did=20
      remind me of the annoying > amount of
"undocumented" =
switches - why=20
      are they undocumented?  "hey, > our
software can do =
this task=20
      but we're not going to tell you about it" >
> Chris. =

      > =
 

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