【单选题】Create a new file "new.txt" that is a concatenation of "file1.txt" and "file2.txt". A. cat file1.txt  file2.txt > new.txt B. cat file1.txt  file2.txt = new.txt C. make new.txt=file1.txt+file2.txt D. cp file1.txt | head file2.txt > new.txt

( )命令可以把file1.txt复制为file2.txt。 A: cp file1.txt | file2.txt B: cat file1.txt | file2.txt C: cat file1.txt > file2.txt D: copy file1.txt | file2.txt

在Windows10中,以下文件名()是错误的. A: &file.txt B: file*.txt C: file.txt D: 文件.txt

把当前目录下的filel. txt复制为file2. txt,正确的命令是 A: copy filel. txt file2. txt B: cp filel.txt I file C: cat file2. txt filel. txt D: cat file. txt > file2. txtt

5、把当前目录下的file1.txt复制为file2.txt的正确命令是（） A: A.copy fiel1.txt file2.txt B: B.cp file1.txt file2.txt C: C.cat file2.txt file1.txt D: C.cat file1.txt>file2.txt

如果要把当前目录下的filetxt文件复制为file2.txt，正确的命令是() A: copy filetxt file2.txt B: cp filetxt | file2.txt C: cat file2.txt filetxt D: cat filetxt > file2.txt

如果要把当前目录下的filetxt文件复制为file2.txt，正确的命令是() A: copy filetxt file2.txt B: cp filetxt | file2.txt C: cat file2.txt filetxt D: cat filetxt > file2.txt

Linux系统中,欲把当前目录下的file1.txt文件复制为file2.txt,以下命令正确的是 A: copy file1.txt file2.txt B: mv file1.txt file2.txt C: cp file2.txt file1.txt D: cat file1.txt > file2.txt

以下代码，允许上传的文件类型有（ ）。<;input type="file" name="file" accept="text/*">; A: .css B: .shtml C: .txt D: .rtf

欲把当前目录下的 file1.txt 复制为 file2.txt，正确的命令是( ) A: cat <br/>file2.txt &gt; file1.txt B: cp <br/>file2.txt &gt; file1.txt C: cat <br/>file1.txt &gt; file2.txt D: cp<br/>file1.txt &gt; file2.txt