Yes. He could give orders to the General-in-Chief (and sack him and select a replacement), though he preferred consultation.
When McClellan was dragging his feet, planning the Peninsula campaign, Lincoln said "If General McClellan does not want to use the army, perhaps I may borrow it for a while."
After McClellan was demoted from the post of General-in-Chief, there was no-one in that job for a while. In the interval before Halleck was appointed, Lincoln was effectively the supreme commander.
No not directly he had officers for that. He was pretty "hands on" and kept in contact with his generals.
General Grant
During the Civil War, President Abraham Lincoln
Grant got the job done for Lincoln.
IN THIS TEMPLE AS IN THE HEARTS OF THE PEOPLE FOR WHOM HE SAVED THE UNION THE MEMORY OF ABRAHAM LINCOLN IS ENSHRINED FOREVER
Robert E. Lee
Gen Robert E Lee - head of the Confederate army Jefferson Davis - pres. of the Confederate nation Abraham Lincoln - Pres. of the union Gen. Grant - head of the union army - heavy drinker Gen. William Sherman - believed in all out war - burned Atlanta to the rubble
head
General George Meade ; "Old Snapping Turtle" .
Abraham Lincoln
Abraham was not the first to get his head on a little coin. But he is a dinosaur.
Lincoln received one shot to the back of the head.
Abraham Lincoln got shot in the back of the head by John Wilkes Booth!!