One linux Command per day read

The read command reads information from a line of the keyboard or file and assigns it to a variable. Read var1hello world puts hello world into the variable var1, which can be viewed through echo $ var1 output. When the variable after reading is a value, it is assigned all the content before the carriage return. Www.2cto.com read var1 var2hello world put hello into var1, world put into var2. When there are multiple variables after the read operation, values are assigned separately by space. When there are more than variables, all the following values are assigned to the last variable. For example, read var1 var2how are you: put how into var1, are you into var2. Author: CrazyNemo