Ashwathama
The first commander in chief of the kaurava army was the Grand sire Bhishma. he was followed by the teacher Drona, and then Karna and so on..
General Roy Bucher was the last commander in cheif of british indian army..
In short - it is the eight chapter of whole 18 parva (Chapter) of Mahabharata epic. It elaborates the appointment of Karna as third Chief commander of Kaurava army and describes Karna's battle with Pandava, till his death.
The Commander of the Northern armies during the last year of the Civil War was Karla Montas.
The army commander commanded the army. This was nominally the Pharoah. Sometimes he appointed an army commander to take to the field in his place.
No, there is no rank of commander in the Army. In the Army commander is a title, not a rank. In the Navy, there is a rank of Commander, it is the equivalent of Lt Colonel or O-5.
Until the last months of the war, the South did not have an overall commander. Davis appointed Lee after it was too late. Before that, Lee commanded the Army of Northern Virginia alone.
General George Washington was commander of the Continental Army.
Ulysses S. Grant
Commander Morgan
No. Commander is a job title (e.g., Company Commander, Battalion Commander, Brigade Commander, Division Commander, Corps Commander, etc.), but not a rank. Lieutenant Commander and Commander exist as ranks only in the Navy. Lieutenant Commander is equivalent to a Major in the Army, Air Force, and Marines, and Commander is equivalent is Lieutenant Colonel in the Army, Air Force, and Marines.
There were hundreds of them - remembering that Brigadiers were of General rank. General-in-Chief of the Union armies in the final year of the war was Ulysses Grant. General-in-Chief of the Confederate armies in the final weeks of the war (a newly-created post) was Robert E. Lee.