+ pwd
/out
+ ls -a /in
.
..
cgroup
foo.sh
output
+ ls -a /out
.
..
+ ls -a /in/cgroup
/in/cgroup
+ ls -a /in/output
/in/output
+ stat /in/cgroup
File: /in/cgroup
Size: 0 Blocks: 0 IO Block: 4096 socket
Device: 38h/56d Inode: 27003219 Links: 1
Access: (0755/srwxr-xr-x) Uid: ( 1000/ icebox) Gid: ( 1000/ UNKNOWN)
Access: 2022-05-18 07:35:20.713862001 +0000
Modify: 2022-05-18 07:35:20.709861860 +0000
Change: 2022-05-18 07:35:20.709861860 +0000
Birth: -
+ stat /in/output
File: /in/output
Size: 0 Blocks: 0 IO Block: 4096 fifo
Device: 38h/56d Inode: 27003178 Links: 1
Access: (0644/prw-r--r--) Uid: ( 1000/ icebox) Gid: ( 1000/ UNKNOWN)
Access: 2022-05-18 07:35:20.717862143 +0000
Modify: 2022-05-18 07:35:20.709861860 +0000
Change: 2022-05-18 07:35:20.709861860 +0000
Birth: -
+ cat /in/cgroup
cat: /in/cgroup: No such device or address
+ cat /in/output