{not available when compiled without the |+mksession| feature} Changes the effect of the |:mksession| command. It is a comma separated list of words. Each word enables saving and restoring something: word save and restore ~ blank empty windows buffers hidden and unloaded buffers, not just those in windows curdir the current directory folds manually created folds, opened/closed folds and local fold options globals global variables that start with an uppercase letter and contain at least one lowercase letter. Only String and Number types are stored. help the help window localoptions options and mappings local to a window or buffer (not global values for local options) options all options and mappings (also global values for local options) skiprtp exclude 'runtimepath' and 'packpath' from the options resize size of the Vim window: 'lines' and 'columns' sesdir the directory in which the session file is located will become the current directory (useful with projects accessed over a network from different systems) slash backslashes in file names replaced with forward slashes tabpages all tab pages; without this only the current tab page is restored, so that you can make a session for each tab page separately terminal include terminal windows where the command can be restored unix with Unix end-of-line format (single ), even when on Windows or DOS winpos position of the whole Vim window winsize window sizes