echo "Git is a version control system." > readme.txt // 输入这句话保存到创建的readme.txt文件中 echo " Git is free software." >> readme.txt // 输入此内容追加到readme.txt中2 keywords3 dependents1 versionHelloWorld@infinitebrahmanuniverse/nolb-lyz@everything-registry/sub-chunk-2115@zalastax/nolb-lyz1.0.07 years ago