bootcd:/ # echo newuser::500:500:TestUser:/home/newuser:/bin/bash >>/etc/passwd
bash: /etc/passwd: Read-only file system
bootcd:/ # insmod translucency
Using /lib/modules/2.4.18-4GB/kernel/fs/translucency.o
bootcd:/ # echo "/ -> /var/tmp" > /proc/sys/translucency/0
bootcd:/ # echo newuser::500:500:TestUser:/home/newuser:/bin/bash >>/etc/passwd
bootcd:/ # tail -3 /etc/passwd
perforce:x:68:60:perfoce admin:/var/lib/perforce:/bin/false
nobody:x:65534:65534:nobody:/var/lib/nobody:/bin/bash
newuser::500:500:TestUser:/home/newuser:/bin/bash
bootcd:/ # echo > /proc/sys/translucency/0
bootcd:/ # rmmod translucency
bootcd:/ # tail -3 /etc/passwd
pop:x:67:100:pop admin:/var/lib/pop:/bin/false
perforce:x:68:60:perfoce admin:/var/lib/perforce:/bin/false
nobody:x:65534:65534:nobody:/var/lib/nobody:/bin/bash
bootcd:/ # ls -l /var/tmp/etc/
total 4
drwxr-xr-x    2 root     root            0 May 11 15:51 .
drwxrwxrwt    6 root     root            0 May 11 15:51 ..
-rw-r--r--    1 root     root         2852 May 11 15:51 passwd
bootcd:/ #