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1. Cygwin: Clear screen command, How to clear the screen ?

   

   Some one may be wondering where is the clear command on cygwin. If we type either

   cls

   or

   clear

   we would be shown bash: clear: command not found. So there are many fancy ways to clear the command line prompt, but the one I …
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2. Error Installing PERL modules "unrecognized command line option -fstack -protector"

   

   unrecognized command line option "-fstack-protector" error usually comes on Cygwin when installing PERL modules. For example when installing the DBI module or DBD::MySQL perl module, the following error comes on cygwin :

   cp lib/DBI/Gofer/Serializer/Base.pm blib/lib/DBI/Gofer/Serializer/Base.pm cp dbipport.h blib/arch/auto/DBI/dbipport.h cp lib/DBI/Gofer/Execute.pm blib/lib/DBI/Gofer/Execute.pm cp lib/DBI/DBD.pm blib/lib/DBI/DBD.pm cp … read on