The following trick could be used, if You want to start Oracle export as sysdba: use double quotes around the single quotes.
Warning! Dump consistency could not be guaranteed, if the export is done under sys user!
exp userid=" '/ as sysdba' " parfile=exp.par
Possible parameter file:
file=mydump.dmp
compress=n
log=mydump.log
direct=y
full=n
owner=SCOTT
consistent=y
feedback=10000
compress=n
log=mydump.log
direct=y
full=n
owner=SCOTT
consistent=y
feedback=10000
