GETTY.8
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上传日期:2007-01-18
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- .TH GETTY 8
- .SH NAME
- getty - system login banner
- .SH SYNOPSIS
- .B getty
- .RI [ banner " ...]"
- .SH DESCRIPTION
- .B Getty
- displays a system identification banner, reads a user name from standard
- input and executes
- .B login
- with that name as argument.
- .PP
- .B Getty
- uses its arguments separated by spaces as a login banner. The character
- sequences
- .BR en ,
- .BR es
- and
- .BR et
- are printed as newline, space and tab. Any other
- .BI e x
- prints that
- .IR x .
- The character sequences
- .BR %s ,
- .BR %n ,
- etc. produce the same output as
- .BR "uname -s" ,
- .BR "uname -n" ,
- etc. The default banner is
- .PP
- .RS
- %sesesReleasees%resVersiones%venen%neslogin:es
- .RE
- .PP
- The only other useful functionality offered by
- .B getty
- is that it can be suspended by signal SIGUSR1 and restarted by SIGUSR2.
- This allows a program such as
- .BR modem (1)
- to temporarily claim a dialin line for dialout.
- .SH "SEE ALSO"
- .BR modem (1),
- .BR ttytab (5),
- .BR init (8).
- .SH BUGS
- .B Getty
- should be taught about modems and modem lines. The signal trick is an awful
- hack.
- .SH AUTHOR
- Kees J. Bot (kjb@cs.vu.nl)