Open or create a program:
create a new file (File->New
or CTRL-N
)
open a file via FileBrowser ( File->Open..
or CTRL-O
+ double-click file)
Save a program:
save a file(File->Save
or CTRL-S
)
save all opened files (File->Save all..
or CTRL-SHIFT-S
)
save as (File->Save as..
or CTRL+ALT+S11
)