/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 /.
2763a00000-7fff96175000 ---p 00000000 00:00 0 [rollup]Rss: 265068 kBPss: 264318 kBPss_Anon: 208248 kBPss_File: 56070 kBPss_Shmem: 0 kBShared_Clean: 1496 kBShared_Dirty: 0 kBPrivate_Clean: 55324 kBPrivate_Dirty: 208248 kBReferenced: 265068 kBAnonymous: 208248 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB