diff options
| -rw-r--r-- | usr.bin/resizewin/resizewin.1 | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/usr.bin/resizewin/resizewin.1 b/usr.bin/resizewin/resizewin.1 index ce15ce7..dbf6464 100644 --- a/usr.bin/resizewin/resizewin.1 +++ b/usr.bin/resizewin/resizewin.1 @@ -27,27 +27,38 @@ .\" .\" $FreeBSD$ .\" -.Dd May 8, 2017 +.Dd May 9, 2017 .Dt RESIZEWIN 1 .Os .Sh NAME .Nm resizewin -.Nd update the kernel window size for the current TTY +.Nd update terminal size .Sh SYNOPSIS .Nm .Op Fl z .Sh DESCRIPTION -Query the terminal emulator window size with the +The +.Nm +utility +queries the terminal emulator for the current window size and updates +the size known to the kernel using the .Dv TIOCSWINSZ -ioctl and set the window size known by the kernel to the new values. -The terminal is assumed to be VT100/ANSI compatible. +ioctl. .Pp The following options are available: .Bl -tag -width ".Fl z" .It Fl z Do nothing unless the current kernel terminal size is zero. +This is useful when run from user's profile (shell startup) scripts: +querying the window size is required for serial lines, but not when +logging in over the network, as protocols like TELNET or SSH already +handle the terminal size by themselves. .El .Pp +After a terminal window has been resized, running +.Nm +updates the kernel's window size to match the new size. +.Pp .Nm is functionally similar to .Xr resize 1 , @@ -56,21 +67,18 @@ which is part of the distribution. However, .Nm -only works with VT100/ANSI-compatible terminals and does -not emit commands to set environment variables. +only works with VT100/ANSI-compatible terminals and directly sets +the terminal size instead of emitting commands to set environment variables. .Pp -After a terminal window has been resized, running -.Nm -updates the kernel's window size to match the new size. -.Pp -Note that virtually all modern terninals support VT100/ANSI escape -sequences, including xterm, konsole, gnome-terminal iTerm, +The terminal is assumed to be VT100/ANSI compatible. +The VT100/ANSI escape sequences are supported by virtually all modern +terminals; this include xterm, konsole, gnome-terminal, iTerm, Terminal.app, and PuTTY. .Sh SEE ALSO -.Xr resize 1 , -.Xr stty 1 +.Xr stty 1 , +.Xr tty 4 .Sh HISTORY The .Nm command first appeared in -.Fx 11 . +.Fx 11.0 . |
