/proc/net
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
sk Eth Pid Groups Rmem Wmem Dump Locks Drops Inode0000000000000000 0 0 00000000 0 0 0 2 0 4197 0000000000000000 4 0 00000000 0 0 0 2 0 4205 0000000000000000 6 0 00000000 0 0 0 2 0 4207 0000000000000000 9 0 00000000 0 0 0 2 0 4199 0000000000000000 10 0 00000000 0 0 0 2 0 4201 0000000000000000 12 0 00000000 0 0 0 2 0 4206 0000000000000000 15 0 00000000 0 0 0 2 0 4200 0000000000000000 16 0 00000000 0 0 0 2 0 4198