linux echoÊä³öתÒå»»ÐлسµÒýºÅ

echo Êä³öÒýºÅµÄÕýÈ·¸ñʽ：

echo \'123\'

echo \"123\"

echo Êä³ö»Ø³µ»»ÐС¢ÖƱí·ûµÄÕýÈ·¸ñʽ：

echo -e '\n123'
echo -e "\n123"

echo -e '\t123'
echo -e "\t123"

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