./a.out is not recognized in window for executing lex

Question

Im using DevCpp and flex on windows 10. To execute my lex program i have tried with ./a.out but i got the following error.

C:\Users\Admin\Desktop>flex id1.l
C:\Users\Admin\Desktop>gcc lex.yy.c
C:\Users\Admin\Desktop>./a.out
'.' is not recognized as an internal or external command,

operable program or batch file.

What might be the problem here and please me help me in this.

Answer 1

It creates a file name a.exe

C:\Users\Admin\Desktop>flex id1.l

C:\Users\Admin\Desktop>gcc lex.yy.c

C:\Users\Admin\Desktop>a

asd ase 12 4rf
  12 4

this is how we can execute lex in windows