{section: Command file}
-You can pass a command file in through a file descriptor (-_condor_cmd_fd) or a file (-_condor_cmd_file).
+You can pass a command file in through a file descriptor (-_condor_cmd_fd) or a file (-_condor_cmd_file). The command file can set several options, and also enables remote syscalls simply by being specified.
-Commands in the file are:
+Commands in the file are one per line. The recognized commands are
*:*iwd <pathname>* - Change working directory to <pathname>. This is intended to get the process into the working directory specified in the user's job description file.
*: *fd <n> <pathname> <open_mode>* - Open the file <pathname> with the mode <open_mode>. Set things up (using dup2()), so that the file is available at file descriptor number <n>. This is intended for redirection of the standard files 0, 1, and 2.