单选题：Which one of the following statements correctly describes the >
Which one of the following statements correctly describes the > and >> symbols in the context of the bash shell?@[B](1)
A. > appends standard output to an existing file, and >> writes standard output to a new file.
B. > writes standard output to a new file, and >> appends standard output to an existing file.
C. > writes standard error to a new file, and >> appends standard error to an existing file.
D. > pipes standard output to a new file, and >> pipes standard output to an existing file.
A.> appends standard output to an existing file, and >> writes standard output to a new file.
B.> writes standard output to a new file, and >> appends standard output to an existing file.
C.> writes standard error to a new file, and >> appends standard error to an existing file.
D.> pipes standard output to a new file, and >> pipes standard output to an existing file.
答案：B
A. > appends standard output to an existing file, and >> writes standard output to a new file.
B. > writes standard output to a new file, and >> appends standard output to an existing file.
C. > writes standard error to a new file, and >> appends standard error to an existing file.
D. > pipes standard output to a new file, and >> pipes standard output to an existing file.
A.> appends standard output to an existing file, and >> writes standard output to a new file.
B.> writes standard output to a new file, and >> appends standard output to an existing file.
C.> writes standard error to a new file, and >> appends standard error to an existing file.
D.> pipes standard output to a new file, and >> pipes standard output to an existing file.
答案：B