Dear All,
I try command below in Unix
$ ls -l file?
-rw-r-r-- 1 root 125 May 27
11:11 file1
-rwxr-x- 1 root 52125 May 27 19:11
file2
drwxr-xr-x 1 root 442 May 27 20:11
file3
May I know that the purpose of the "?" in the string file?
