RSH, REMSH(1c,C) AIX TCP/IP User's Guide RSH, REMSH(1c,C) ------------------------------------------------------------------------------- rsh, remsh PURPOSE Connects to the specified host and executes the specified command. SYNTAX +-----------------+ +-----------+ rsh, remsh --- host ---| +-------------+ |---| |---| +-| -n |-+ +- command -+ | -l username | +-------------+ DESCRIPTION The rsh command connects to the specified host, and executes the specified command. This command copies its standard input to the remote command, the standard output of the remote command to its standard output, and the standard error of the remote command to its standard error. Interrupt, quit and terminate signals are propagated to the remote command. The rsh command normally terminates when the remote command terminates. The remote username used is the same as your local username, unless you specify a different remote name with the -l options. This remote name must be equivalent (in the sense of rlogin, see "rlogin,") to the originating account. No provision is made for specifying a password with a command. If you omit command, then instead of executing a single command, you log in on the remote host using the rlogin command. Shell metacharacters which are not quoted are interpreted on the local machine, while quoted metacharacters are interpreted on the remote machine. Thus the command rsh otherhost cat remotefile >> localfile appends the remote file remotefile to the local file localfile, while rsh otherhost cat remotefile ">>" otherremotefile appends remotefile to otherremotefile. Host names are given in the file /etc/hosts. Each host has one standard name (the first name given in the file), which is rather long and clearly defined. Optionally, the host has one or more nicknames. Processed October 29, 1990 RSH, REMSH(1c,C) 1 RSH, REMSH(1c,C) AIX TCP/IP User's Guide RSH, REMSH(1c,C) If you are using the C shell and put a rsh command in the background without redirecting its input away from the terminal, it blocks even if no reads are posted by the remote command. If no input is desired, you should redirect the input of rsh to /dev/null using the -n option. FLAGS -n Redirects the input of rsh to /dev/null if you desire no input. -l Specifies a different remote name. If -l is not used, the remote username used is the same as your local username. EXAMPLES To compile a file on a remote host: $ rsh host2 "cc -o hello hello.c" $ _ To read a remote file: $ rsh host2 "cat /tmp/log" This is the output from the file /tmp/log on host2 . . . $ _ FILES /etc/hosts RELATED INFORMATION In this book: "rlogin" "hosts.equiv" ".rhosts" Processed October 29, 1990 RSH, REMSH(1c,C) 2