/proc/thread-self/root/proc/self/root/proc/thread-self
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 /.
00400000-7ffd5a93a000 ---p 00000000 00:00 0 [rollup]Rss: 248836 kBPss: 247723 kBPss_Anon: 195744 kBPss_File: 51979 kBPss_Shmem: 0 kBShared_Clean: 1728 kBShared_Dirty: 0 kBPrivate_Clean: 51364 kBPrivate_Dirty: 195744 kBReferenced: 248836 kBAnonymous: 195744 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB