  Twenty five years have passed by since models of accretions and jets have
separately emerged. Today, it is understood that these two objects are related
to each other in a fundamental way. In a binary system, matter from an
accretion disk enters into a black hole. A part of it is bounced back because
of the centrifugal barrier, radiation pressure or magnetohydrodynamic effects,
to form jets and bipolar outflows which carry away excess angular momentum. In
the case of AGNs containing black holes, accretion disks form out of stellar
winds and similar processes as above form cosmic radio jets. We present a
general review of the study of the accretion disks and outflows in a coherent
manner, especially emphasizing global inflow-outflow solutions (GIOS). We also
present a few observational consequences of wind production from the accretion
disks on spectral properties of the accretion disks.
