[root@hellwolf-xps15-nixos:~]# findmnt
TARGET SOURCE FSTYPE OPTIONS
/ /dev/disk/by-uuid/784abb2f-b58f-49ef-bc07-38bf8843498b
β ext4 rw,relatime
ββ/dev devtmpfs devtmpfs rw,nosuid,size=1631144k,nr_inodes=4075159,mode=755
β ββ/dev/pts devpts devpts rw,nosuid,noexec,relatime,gid=3,mode=620,ptmxmode=666
β ββ/dev/shm tmpfs tmpfs rw,nosuid,nodev
β ββ/dev/hugepages hugetlbfs hugetlbfs rw,relatime,pagesize=2M
β ββ/dev/mqueue mqueue mqueue rw,nosuid,nodev,noexec,relatime
ββ/proc proc proc rw,nosuid,nodev,noexec,relatime
ββ/run tmpfs tmpfs rw,nosuid,nodev,size=8155716k,mode=755
β ββ/run/keys none ramfs rw,nosuid,nodev,relatime,mode=750
β ββ/run/wrappers tmpfs tmpfs rw,nodev,relatime,mode=755
β ββ/run/user/1000 tmpfs tmpfs rw,nosuid,nodev,relatime,size=3262284k,nr_inodes=815571,mode=700,uid=1000,gid=1000
β ββ/run/user/1000/gvfs gvfsd-fuse fuse.gvfsd-fuse rw,nosuid,nodev,relatime,user_id=1000,group_id=1000
β ββ/run/user/1000/doc portal fuse.portal rw,nosuid,nodev,relatime,user_id=1000,group_id=1000
ββ/sys sysfs sysfs rw,nosuid,nodev,noexec,relatime
β ββ/sys/kernel/security securityfs securityfs rw,nosuid,nodev,noexec,relatime
β ββ/sys/fs/cgroup cgroup2 cgroup2 rw,nosuid,nodev,noexec,relatime,nsdelegate,memory_recursiveprot
β ββ/sys/firmware/efi/efivars efivarfs efivarfs rw,nosuid,nodev,noexec,relatime
β ββ/sys/fs/bpf bpf bpf rw,nosuid,nodev,noexec,relatime,mode=700
β ββ/sys/kernel/debug debugfs debugfs rw,nosuid,nodev,noexec,relatime
β ββ/sys/kernel/config configfs configfs rw,nosuid,nodev,noexec,relatime
β ββ/sys/fs/fuse/connections fusectl fusectl rw,nosuid,nodev,noexec,relatime
β ββ/sys/fs/pstore pstore pstore rw,nosuid,nodev,noexec,relatime
ββ/nix/store /dev/disk/by-uuid/784abb2f-b58f-49ef-bc07-38bf8843498b[/nix/store]
β ext4 rw,relatime
ββ/boot /dev/nvme0n1p9 ext4 rw,relatime
ββ/boot/efi /dev/nvme0n1p1 vfat rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro
Yep, findmnt shows a bit more details.