There are several commands depending on how much detail you want, and whether or not a certain package is installed on the system.
The command 'who', 'w', 'users' will give varying degrees of information on who is logged in.
The 'finger' command will also give some information but only if the finger software is installed.
There are a series of commands, depending on what and how much information you want on logged in users. The commands are: who w users finger (if installed)
Use 'man -k' with the keyword, or apropos
Yes. Just make sure you have the path to the programs in your PATH environment variable.
use 'ifconfig -a '
Use the 'who', 'w', or 'users' command to find out who is logged in.
"show interfaces" "show ip interface brief"
The best command for this is who -a. This allows you to see everyone logged in and where. Here's what my who -a output looks like right now.LOGIN tty1 2013-04-09 03:41 207 id=tty1yaro ? :0 2013-04-09 03:41 ? 303yaro + pts/0 2013-04-09 03:41 06:12 359 (:0)yaro - pts/1 2013-04-09 03:41 . 550 (:0)I suggest looking at the who manpage for more details.
To list the user EXEC commands, you can use the command ? or help in the command-line interface of a Cisco device. Simply enter either of these commands at the user EXEC prompt, and a list of available commands will be displayed. This is useful for quickly identifying the commands you can use in that mode.
Only possible without a bunch of safety. Otherwise just say "commands" to find out the commands
No
Each server as its own set of commands. There is not a list of all commands available as they are different from server to server. If you want to know the commands you can use on a single player world, just use /help you the list.
Because commands are given now - in the present.