/proc/4/root/proc/self/root/proc/4/task/6/root/proc/thread-self/root/proc/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 /.
143889c0000-7ffc603a6000 ---p 00000000 00:00 0 [rollup]Rss: 87704 kBPss: 86954 kBPss_Anon: 31132 kBPss_File: 55822 kBPss_Shmem: 0 kBShared_Clean: 1496 kBShared_Dirty: 0 kBPrivate_Clean: 55076 kBPrivate_Dirty: 31132 kBReferenced: 87704 kBAnonymous: 31132 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB