as: o

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1 2.12 Name the Object File: '-o'
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1 
1 There is always one object file output when you run 'as'.  By default it
1 has the name 'a.out' (or 'b.out', for Intel 960 targets only).  You use
1 this option (which takes exactly one filename) to give the object file a
1 different name.
1 
1    Whatever the object file is called, 'as' overwrites any existing file
1 of the same name.
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