/proc/thread-self/root/proc/thread-self/root/proc/12
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 /.
00400000-7fff3b9e3000 ---p 00000000 00:00 0 [rollup]Rss: 277684 kBPss: 276548 kBPss_Dirty: 225276 kBPss_Anon: 225252 kBPss_File: 51296 kBPss_Shmem: 0 kBShared_Clean: 1776 kBShared_Dirty: 0 kBPrivate_Clean: 50632 kBPrivate_Dirty: 225276 kBReferenced: 277684 kBAnonymous: 225252 kBKSM: 0 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB