/dev/vcsN is a character device i.e. it refers to the memory of the currently displayed virtual console terminal. These are character devices for virtual console terminals, they have major number 7 and minor number 1 to 63.
You may do a screendump on using cat command (vt2) or just see what is going on the Linux console screen:
# cat /dev/vcs2 > /tmp/output.vt2.
# cat /dev/vcs2
It may be handy to monitor remote system vts.
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