Removed /dev, is this bad?

While experimenting with a chrooted enviorment, I accedentally deleted /dev with rm -Rf /dev (thinking I was in a chroot).
Would this cause any problems on the system? I already found out that I only have /dev/pts/0 so I can only open one SSH session. Also /dev/hd* is gone, I can't mount any filesystems.
Is this recoverable or does the system need a restore?

 

 

 

 

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