XShell is a very powerful tools to ssh remote computers such as Unix/Linux. And it has built some internal commands for you to run within your Windows. Xshell:\> help Internal Commands: new: Creates a new session. open: Opens a session or the session dialog box. edit: Opens the Session Property dialog box for a session. list: Lists information of all available sessions. 'ls' and 'dir' do the same. cd: Changes the current working directory. clear: Clears the screen/address/command history. help: Displays this help. '?' does the same. quit: Quits Local Shell. 'exit' does the same. ssh: Connects to a host using the SSH protocol. telnet: Connects to a host using the TELNET protocol. rlogin: Connects to a host using the RLOGIN protocol. sftp: Connects to a host to transfer files securely. ftp: Connects to a host to transfer files. External Commands: ipconfig: Configures TCP/IP network interfaces. ping: Sends ICMP ECHO_REQUEST packets to network hosts. tracert: Prints the route packets take to network host. netstat: Displays current protocol statistics and current TCP/IP network connections. nslookup: Resolves a hostname to IP address. For more information, type 'help command' for each command. ex) help telnet But these commands are limited, so how to add commands of windows to local shell of XShell 4