Name

       kitten-@-resize-os-window - Resize/show/hide/etc. the specified OS Windows

Usage

       kitten @ resize-os-window  [OS Panel settings ...]

Description

       Resize  (or other operations) on the specified OS Windows. Note that some window managers/environments do
       not allow applications to resize their windows, for example, tiling window managers.

       To modify OS Panels created with the panel kitten, use --action=os-panel. Specify  the  modifications  in
       the  same syntax as used by the panel kitten, without the leading dashes. Use the --incremental option to
       only change the specified panel settings. For example, move the panel to bottom  edge  and  make  it  two
       lines tall: --action=os-panel --incremental lines=2 edge=bottom

Options

       --match, -m
              The window to match. Match specifications are of the form: field:query. Where field can be one of:
              id,  title,  pid,  cwd,  cmdline, num, env, var, state, neighbor, session and recent. query is the
              expression to match. Expressions can be either a number  or  a  regular  expression,  and  can  be
              combined using Boolean operators.

              The special value all matches all windows.

              For  numeric  fields:  id,  pid,  num and recent, the expression is interpreted as a number, not a
              regular expression. Negative values for id match from the highest id number down,  in  particular,
              -1 is the most recently created window.

              The  field  num  refers to the window position in the current tab, starting from zero and counting
              clockwise (this is the same as the order in which the windows are reported  by  the  kitten  @  ls
              command).

              The window id of the current window is available as the KITTY_WINDOW_ID environment variable.

              The  field  recent  refers to recently active windows in the currently active tab, with zero being
              the currently active window, one being the previously active window and so on.

              The field neighbor refers to a neighbor of the active window in the specified direction, which can
              be: left, right, top or bottom.

              The field session matches windows that were created in the specified session. Use  the  expression
              ^$ to match windows that were not created in a session and . to match the currently active session
              and  ~  to match either the currently active sesison or the last active session when no session is
              active.

              When using the env field to match on environment variables, you can specify only  the  environment
              variable name or a name and value, for example, env:MY_ENV_VAR=2.

              Similarly, the var field matches on user variables set on the window. You can specify name or name
              and value as with the env field.

              The  field  state  matches  on  the  state  of  the window. Supported states are: active, focused,
              needs_attention, parent_active, parent_focused, self,  overlay_parent.   Active  windows  are  the
              windows that are active in their parent tab. There is only one focused window and it is the window
              to  which  keyboard  events  are  delivered.  If  no window is focused, the last focused window is
              matched. The value self matches the window in which the remote control command is run.  The  value
              overlay_parent  matches  the  window  that  is  under  the self window, when the self window is an
              overlay.

              Note that you can use the kitten @ ls command to get a list of windows.

       --action [=resize]
              The action to perform.

              Choices: resize, hide, os-panel, show, toggle-fullscreen, toggle-maximized, toggle-visibility

       --unit [=cells]
              The unit in which to interpret specified sizes.

              Choices: cells, pixels

       --width [=0]
              Change the width of the window. Zero leaves the width unchanged.

       --height [=0]
              Change the height of the window. Zero leaves the height unchanged.

       --incremental [=no]
              Treat the specified sizes as increments on the existing window size  instead  of  absolute  sizes.
              When  using  --action=os-panel,  only  the specified settings are changed, otherwise non-specified
              settings keep their current value.

       --self [=no]
              Resize the window this command is run in, rather than the active window.

       --no-response [=no]
              Don't wait for a response indicating the success of the action. Note that using this option  means
              that you will not be notified of failures.

       --help, -h [=no]
              Show help for this command

Global options

       --to   An  address  for  the  kitty  instance  to  control. Corresponds to the address given to the kitty
              instance via the --listen-on option or the listen_on setting in kitty.conf. If not specified,  the
              environment  variable  KITTY_LISTEN_ON is checked. If that is also not found, messages are sent to
              the controlling terminal for this process, i.e. they will only work if this process is run  within
              a kitty window.

       --password
              A  password  to use when contacting kitty. This will cause kitty to ask the user for permission to
              perform the specified action, unless the password has been accepted before or is pre-configured in
              kitty.conf. To use a blank password specify --use-password as always.

       --password-file [=rc-pass]
              A file from which to read the  password.  Trailing  whitespace  is  ignored.  Relative  paths  are
              resolved from the kitty configuration directory. Use - to read from STDIN. Use fd:num to read from
              the  file  descriptor num. Used if no --password is supplied. Defaults to checking for the rc-pass
              file in the kitty configuration directory.

       --password-env [=KITTY_RC_PASSWORD]
              The name of an environment variable to read the password  from.  Used  if  no  --password-file  is
              supplied. Defaults to checking the environment variable KITTY_RC_PASSWORD.

       --use-password [=if-available]
              If  no  password  is  available, kitty will usually just send the remote control command without a
              password. This option can be used to force it to always or never use the supplied password. If set
              to always and no password is provided, the blank password is used.

              Choices: if-available, always, never

0.43.1                                            Oct 18, 2025                      kitten-@-resize-os-window(1)