Do something wrong

CodePudding user response:

Probably look
1, for I is the capital of I, you the following and use lowercase
2, for I ` in ls/home ` this not the quotes you use
3, in front of the PWD ` not corresponding to the end of the quotation marks, and the quotes you use quotation marks, there should be a problem, you can use variables instead of ` date + % Y % m % d `, then put in the variables,