explain shell . com about <span style="background-color:white;position: fixed; bottom:0; right:0;" id="coords"></span> ssh(1) user@remote "tar czpf - /path/on/remote" | tar(1) other manpages bsdtar(1) x z p f - -C /path/on/local OpenSSH SSH client (remote login program) ssh connects and logs into the specified hostname (with optional user name). The user must prove his/her identity to the remote machine using one of several methods depending on the protocol version used (see below). If command is specified, it is executed on the remote host instead of a login shell. Pipelines A pipeline is a sequence of one or more commands separated by one of the control operators | or |& . The format for a pipeline is: [ time [ -p ]] [ ! ] command [ [ | ⎪ |& ] command2 ... ] The standard output of command is connected via ...