Signals {base}R Documentation

Interrupting Execution of R


On receiving SIGUSR1 R will save the workspace and quit. SIGUSR2 has the same result except that the .Last function and on.exit expressions will not be called.


kill -USR1 pid
kill -USR2 pid


pid The process ID of the R process


It is possible that one or more R objects will be undergoing modification at the time the signal is sent. These objects could be saved in a corrupted form.

[Package base version 2.5.0 Index]