Copy files between two machines.
Each file or directory is either a remote filename of the form rname@rhost:path or a local filename.
SYNTAX rcp [options] file1 file2 rcp [options] file ... directory OPTIONS -k Attempt to get tickets for remote host; query krb_realmofhost to determine realm. -p Preserve modification times and modes of the source files. -r If any of the source files are directories, rcp copies each subtree rooted at that name. The destination must be a directory. -x Turns on DES encryption for all data passed by rcp.
"Worms are now able to propagate much faster than humans can react to install patches. In short, the patch-and-pray model can't prevent massive-scale attacks from succeeding" - icir.org (2002)
rsync - Remote file copy (Synchronize file trees)