/proc/self/task/5/root/proc/4/task/5
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 /.
a66640000-7ffe39ffb000 ---p 00000000 00:00 0 [rollup]Rss: 247672 kBPss: 246996 kBPss_Anon: 190808 kBPss_File: 56188 kBPss_Shmem: 0 kBShared_Clean: 1348 kBShared_Dirty: 0 kBPrivate_Clean: 55516 kBPrivate_Dirty: 190808 kBReferenced: 247672 kBAnonymous: 190808 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB