the difference between "./" and "sh"

In simple words, sh file1 executing sh command/executable with file1 as a parameter. *** In this case file1 doesn't require execute privilege*** as sh executable read and intercept the commands in the file.


简单来说，sh file1以file1作为参数执行sh命令/可执行文件。在这种情况下，file1不需要执行权限，因为sh可执行文件读取和截取文件中的命令

./file1 its nothing but running/executing an executable file file1, ***hence it requires executable privileges***. In this case it executes on the shell mentioned in the shebang #!/bin/sh if its not mentioned then its on the current shell.

./file1它只是运行/执行一个可执行文件file1，因此它需要可执行的权限。在这种情况下，它执行在shebang＃！/ bin / sh中提到的shell，如果它没有提到当前的shell。