select * from v$version where banner like 'oracle%';
Use the 'uname -a' command. It reports on the Unix system, version, machine name, amongst other things.
There is no traditional 'execute' command in Unix.
There is no standard 'format' command in Unix.
The 'CD' command is not standard for Unix. The 'cd' command, however, will change directories (folders). It is a means of navigating the Unix file system.
In Unix, use the 'man' command.
The "who" command.
dig
nslookup
Believe it or not, nslookup.
In Windows and Unix-based and Unix-like systems, the command is mkdir (however in Windows a shortcut md can be used as well).
it is a command in unix and unix like operating systems that places a string on the computer terminal.It is typically used in shell scripts and bath files screen or a file.