下面()可以创建出内容为 Welcome to Linux world, an open source software and powerful operating system! 的文本文件hello.txt。
A、echo “Welcome to Linux world,” > hello.txt echo "an open source software and powerful operating system!" >> hello.txt
B、echo “Welcome to Linux world,” >> hello.txt echo "an open source software and powerful operating system!" > hello.txt
C、cat > hello.txt > Welcome to Linux world, > an open source software and powerful operating system! > Ctrl+d
D、cat << EOF > hello.txt > Welcome to Linux world, > an open source software and powerful operating system! > EOF