Global Commands
Page 62 7750 SR OS Basic System Configuration Guide
logout          - Log off this system
oam             + OAM Test Suite
ping            - Verify the reachability of a remote host
pwc             - Show the present working context
sleep           - Sleep for specified number of seconds
ssh             - SSH to a host
telnet          - Telnet to a host
traceroute      - Determine the route to a destination address
tree            - Display command tree structure from the context of
                  execution
write           - Write text to another user
help special-characters — Displays help on special characters.
Use the following CLI commands to display more information about commands and command syn-
tax:
?  — Lists all commands in the current context.
string? — Lists all commands available in the current context that start with the string.
command ? — Display command’s syntax and associated keywords.
string<Tab> or string<Space> — Complete a partial command name (auto-completion) or list 
available commands that match the string.
history
Syntax history
Context <GLOBAL>
Description This command lists the last 30 commands entered in this session.
Re-execute a command in the history with the !n command, where n is the line number associated 
with the command in the history output. 
For example:
A:ALA-1# history
  68 info
  69 exit
  70 info
  71 filter
  72 exit all
  73 configure
  74 router
  75 info
  76 interface "test"
  77 exit
  78 reduced-prompt
  79 info
  80 interface "test"
  81 icmp unreachables exit all
  82 exit all
  83 reduced-prompt
  84 configure router
  85 interface
  86 info
  87 interface "test"