Update cheatsheets

tldr/timeout

@@ -12,6 +12,18 @@ source: https://github.com/tldr-pages/tldr.git
 
 `timeout 3s sleep 10`
 
-- Send a signal to the command after the time limit expires (SIGTERM by default):
+- Send a [s]ignal to the command after the time limit expires (`TERM` by default, `kill -l` to list all signals):
 
-`timeout --signal {{INT}} {{5s}} {{sleep 10}}`
+`timeout --signal {{INT|HUP|KILL|...}} {{5s}} {{sleep 10}}`
+
+- Send [v]erbose output to `stderr` showing signal sent upon timeout:
+
+`timeout --verbose {{0.5s|1m|1h|1d|...}} {{command}}`
+
+- Preserve the exit status of the command regardless of timing out:
+
+`timeout --preserve-status {{1s|1m|1h|1d|...}} {{command}}`
+
+- Send a forceful `KILL` signal after certain duration if the command ignores initial signal upon timeout:
+
+`timeout --kill-after={{5m}} {{30s}} {{command}}`