$ cat > test.sh <<-EOF
#!/bin/sh
while :; do
sleep 1
date
done
EOF
$ chmod +x test.sh
$ setsid ./test.sh < /dev/null &> test.log &
[2] 2220
[2]+ Done setsid ./test.sh < /dev/null &>test.log
$ ps -C test.sh
PID TTY TIME CMD
2221 ? 00:00:00 test.sh
$ ~/crtools/crtools dump -t 2221 -vvv -o dump.log && echo OK
OK
$ ls
core-2221.img eventpoll-tfd.img filelocks-2221.img inotify.img netlinksk.img pipes.img sigacts-2424.img test.log
core-2424.img fanotify.img filelocks-2424.img inotify-wd.img packetsk.img pstree.img signalfd.img test.sh
creds-2221.img fanotify-mark.img fs-2221.img inventory.img pagemap-2221.img reg-files.img signal-p-2221.img tty.img
creds-2424.img fdinfo-2.img fs-2424.img itimers-2221.img pagemap-2424.img remap-fpath.img signal-p-2424.img tty-info.img
dump.log fdinfo-3.img ids-2221.img itimers-2424.img pages-1.img rlimit-2221.img signal-s-2221.img unixsk.img
eventfd.img fifo-data.img ids-2424.img mm-2221.img pages-2.img rlimit-2424.img signal-s-2424.img vmas-2221.img
eventpoll.img fifo.img inetsk.img mm-2424.img pipes-data.img sigacts-2221.img sk-queues.img vmas-2424.img
$ ~/crtools/crtools restore -d -t 2221 -vvv -o restore.log && echo OK
OK
$ ./test.sh
$ ps -C test.sh
PID TTY TIME CMD
2621 pts/1 00:00:00 test.sh
$ ~/crtools/crtools dump -t 2621
(00.012929) Error (tty.c:1022): tty: Found dangling tty with sid 940 pgid 2621 (pts) on peer fd 0. Consider using --shell-job option.
(00.013111) Error (cr-dump.c:1636): Dumping FAILED.
$ ~/crtools/crtools dump -vvvv -o dump.log -t 2621 --shell-job && echo Ok
Ok
$ ~/crtools/crtools restore -vvvv -o restore.log -t 2621 --shell-job
Fri Apr 12 12:41:09 MSK 2013
Fri Apr 12 12:41:10 MSK 2013