Difference by > and #

Router>enable                                     'you're on user EXEC mode
Router#configure terminal                  'you're on privileged EXEC mode
Router(config)#                                     'you're on global configuration mode





well i found this

so what is  the difference of User Exec Mode, Privileged Exec mode, Global Configuration Mode, Etc.?

> user EXEC mode- contains only a limited commands.

example:

 <1-99>      Session number to resume
  connect     Open a terminal connection
  disable     Turn off privileged commands
  disconnect  Disconnect an existing network connection
  enable      Turn on privileged commands
  exit        Exit from the EXEC
  logout      Exit from the EXEC
  ping        Send echo messages
  resume      Resume an active network connection
  show        Show running system information
  ssh         Open a secure shell client connection
  telnet      Open a telnet connection
  terminal    Set terminal line parameters
  traceroute  Trace route to destination

> privileged EXEC mode - access to all commands


Exec commands:
  <1-99>      Session number to resume
  auto        Exec level Automation
  clear       Reset functions
  clock       Manage the system clock
  configure   Enter configuration mode
  connect     Open a terminal connection
  copy        Copy from one file to another
  debug       Debugging functions (see also 'undebug')
  delete      Delete a file
  dir         List files on a filesystem
  disable     Turn off privileged commands
  disconnect  Disconnect an existing network connection
  enable      Turn on privileged commands
  erase       Erase a filesystem
  exit        Exit from the EXEC
  logout      Exit from the EXEC
  mkdir       Create new directory
  more        Display the contents of a file
  no          Disable debugging informations
  ping        Send echo messages
  reload      Halt and perform a cold restart




> Global Configuration Mode -


Configure commands:
  aaa                Authentication, Authorization and Accounting.
  access-list        Add an access list entry
  banner             Define a login banner
  boot               Modify system boot parameters
  cdp                Global CDP configuration subcommands
  class-map          Configure Class Map
  clock              Configure time-of-day clock
  config-register    Define the configuration register
  crypto             Encryption module
  do                 To run exec commands in config mode
  dot11              IEEE 802.11 config commands
  enable             Modify enable password parameters
  end                Exit from configure mode
  exit               Exit from configure mode
  hostname           Set system's network name
  interface          Select an interface to configure
  ip                 Global IP configuration subcommands
  ipv6               Global IPv6 configuration commands
  line               Configure a terminal line
  logging            Modify message logging facilities
  login              Enable secure login checking