Could you tell me the shell cp/home/${a}? 1/home/test the command "? 1 "what meaning be? Predecessors, please guide, thank you very much

CodePudding user response:

? Is any single character 1 should be a fixed character

CodePudding user response:

To 1 at the end of the file such as:
A1 b1 c1

CodePudding user response:

reference 1st floor zhouchao6 response:

? Should be any single character 1 is a fixed character

Thank you very much, already know what you mean,

CodePudding user response:

Thank you very much, already know what you mean,

CodePudding user response:

/home/${a}? With the/home/$1 is there a difference?
Are matched to $1 at the end of the directory or file