7 .Nd snoop on another tty line
16 utility allows the user to examine all data coming through a specified tty
22 device is not available,
24 will attempt to load the module
28 utility writes to standard output.
30 The options are as follows:
31 .Bl -tag -width indent
34 If the tty observed by
36 is closed, automatically reattach to the same tty.
37 If this option is not specified,
39 will request a new tty if running in interactive mode or exit if running
40 without a controlling tty.
42 If this option is specified,
51 will attempt to find the next available
55 Force interactive mode.
56 Interactive mode is a default if
58 is started from a tty.
59 If output is redirected to a file, interactive mode can still be requested
60 by specifying this option.
62 Disable the ability to switch the watched tty interactively.
64 both change requests made with <control-X> as well as automatic prompting
65 when the current tty is closed or overflows.
66 In all cases where a prompt
70 The reconnect flags are unaffected by
72 When this flag is used, <control-X> is passed through to the terminal.
74 Reconnect on overflow.
77 if the observed tty overflows is similar to the behavior if the observed tty
82 Print the date and time when observation of a given tty is started.
84 Allow write access to observed tty.
86 Tty may be specified as a tty-style device, such as a pseudo tty device,
87 a virtual console, or a serial line, etc.
88 Names may be preceded by
92 While running in interactive mode, all user input is discarded except for:
94 .Bl -tag -width "XXXX" -compact
101 Change attached tty, unless this feature is disabled, in which case
102 control-X is passed to the terminal as with other control characters.
111 utility first appeared in
114 .An Ugen J.S. Antsilevich Aq Mt ugen@NetVision.net.il
116 No terminal emulation is performed.
117 All user output is reproduced as-is.