欲把当前目录下的file1.txt 复制为file2.txt，错误的命令是 A.copy file1.txt file2.txt B.cp file1.txt | file2.txt C.cat file2.txt file1.txt D.cat file1.txt > file2.txt

欲把当前目录下的file1.txt 复制为file2.txt，错误的命令是
A.copy file1.txt file2.txt
B.cp file1.txt | file2.txt
C.cat file2.txt file1.txt
D.cat file1.txt > file2.txt

出自：河南理工大学-Linux操作系统

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