Pardon my rant. Feel free to disregard this thread.
The output from these commands are on a freshly installed system.
-->df
Filesystem 1K-blocks Used Available Use% Mounted on
udev 16441312 0 16441312 0% /dev
tmpfs 3290364 9668 3280696 1% /run
/dev/sda2 114287812 44945248 63514008 42% /
tmpfs 16451804 208 16451596 1% /dev/shm
tmpfs 5120 4 5116 1% /run/lock
tmpfs 16451804 0 16451804 0% /sys/fs/cgroup
tmpfs 3290364 0 3290364 0% /run/user/116
tmpfs 3290364 12 3290352 1% /run/user/1000
One out of eight lines are actually disk filesystems. That is 88%
garbage I didn't want to see.
-->mount
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs
(rw,nosuid,relatime,size=16441312k,nr_inodes=4110328,mode=755)
devpts on /dev/pts type devpts
(rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=3290364k,mode=755)
/dev/sda2 on / type ext4
(rw,noatime,quota,usrquota,grpquota,errors=remount-ro,data=ordered)
securityfs on /sys/kernel/security type securityfs
(rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup
(rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup
(rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/perf_event type cgroup
(rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/devices type cgroup
(rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/cpuset type cgroup
(rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/pids type cgroup
(rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/blkio type cgroup
(rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup
(rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/freezer type cgroup
(rw,nosuid,nodev,noexec,relatime,freezer)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs
(rw,relatime,fd=29,pgrp=1,timeout=0,minproto=5,maxproto=5,direct)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)
tmpfs on /run/user/116 type tmpfs
(rw,nosuid,nodev,relatime,size=3290364k,mode=700,uid=116,gid=120)
tmpfs on /run/user/1000 type tmpfs
(rw,nosuid,nodev,relatime,size=3290364k,mode=700,uid=1000,gid=1000)
1 line out out 27. That's 96% garbage I didn't want to see.