/proc/self/root/proc/4/root/proc/2/task/2/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 /.
1439c0000-7fff43354000 ---p 00000000 00:00 0 [rollup]Rss: 273128 kBPss: 272336 kBPss_Anon: 216444 kBPss_File: 55892 kBPss_Shmem: 0 kBShared_Clean: 1580 kBShared_Dirty: 0 kBPrivate_Clean: 55104 kBPrivate_Dirty: 216444 kBReferenced: 273128 kBAnonymous: 216444 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB