'a full command of' is a correct and usable phrase in written English.
It is typically used when referring to a thorough understanding or expertise in a certain subject or skill. For example, "He demonstrated a full command of the software program, mastering it in a short amount of time."
All viewpoints were treated courteously and he demonstrated a full command of his brief.
Almost immediately, the war in Bosnia erupted, leaving him stranded without a job and, perhaps even more worrisome for someone whose livelihood depends on language, without a full command of English.
Mahler was a 16-year-old conservatory student when he wrote this steamy piece, but there is promise in its bittersweet string writing (though less in its chunky, chordal piano part), and if nothing else, it shows a full command of Brahmsian conventions.
However, Lucas draws an invidious comparison: a human being with a full command of arithmetic can be consistent (even if he is actually inconsistent due to inattention or wishful thinking).
The Tempest demonstrates the author to be a master of both comedy and tragedy, with a full command over "all the resources of passion, of wit, of thought, of observation".
He is part filter, part foil for nimbly drawn characters, such as UN police officer Terry White, a former deputy sheriff from Florida who begins an affair with Celestin's wife as well as almost every sentence with "What you got to understand is …" This is a gripping, fiercely intelligent novel by a writer in full command of his talents.
Kainerugaba is now a brigadier with full command of the country's special forces, an elite group within the military that protects the president and guards national assets such as oilfields.
Where some might see an extended product placement for Apple, I see a director in full command of his craft and not too proud to flex his genre muscles.
It is not, in other words, a state in full command of itself.
The television drama output of the Scottish director Alastair Reid displayed a man in full command of his craft.
"Yi Yi," the first of his movies to be released commercially in the United States (it will open at the Film Forum on Friday, after being shown at the New York Film Festival tonight), is the work of a master in full command of the resources of his art.
