1 03/14/85  syn_output, so
 2 
 3 Syntax as a command:  so target_sw {-control_arg}
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 5 
 6 Function: directs output I/O switches to another already-open I/O
 7 switch.  The effects of this command can be stacked.
 8 
 9 
10 Arguments:
11 target_sw
12    is the name of an open I/O switch to which output is to be
13    redirected.  It must be open for stream_output, stream_input_output,
14    or IOS (the older version of the I/O system) compatibility.
15 
16 
17 Control arguments:
18 -source_switch STR, -ssw STR
19    specifies the name of an I/O switch to be redirected.  (Default:
20    user_output)
21 
22 
23 Notes: Each command invocation of syn_output stacks up another
24 attachment for each of the specified switches.
25 
26 To avoid getting ready messages in the output file, the syn_output and
27 revert_output commands should appear on the same command line.
28 
29 See the file_output, revert_output, and terminal_output commands.