Some of the info under chmod should be moved here. The output from the UNIX command, command , is saved into the file, filename . The UNIX command command will read its input from the contents of the file filename instead of reading user-entered lines from the keyboard. To send to output of a command to another command rather than to a file, see pipes . To send the output of a command to a file rather than another command, see redirection .
Many commands create more than one process which run simultaneously.
To display of listing of the processes currently running, use the ps command. This symbol matches the end of a line in a file.