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- ## echo is used:
- ## 1. to output a text
- ## 2. to output a variable
- ## 3. to output a files/folder
- echo * ##prints all dirs/files in current dir. r
- echo "output a text" ## prints text. Interpreted literally
- echo "*" ## prints *. Interpreted literally
- MY_VAR=khushi
- echo "${MY_VAR}" ## prints variable
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