mount(1) - phpMan

dracut-mount.service (8) - runs the dracut hooks after /sysroot is mounted
dracut-pre-mount.service (8) - runs the dracut hooks before /sysroot is mounted
free (1)             - Display amount of free and used memory in the system
fstrim (8)           - discard unused blocks on a mounted filesystem
gitsubmodules (7)    - Mounting one repository inside another
mklost+found (8)     - create a lost+found directory on a mounted Linux secon...
mount (2)            - mount filesystem
mount (8)            - mount a filesystem
mount_namespaces (7) - overview of Linux mount namespaces
mountpoint (1)       - see if a directory or file is a mountpoint
setup (2)            - setup devices and filesystems, mount root filesystem
sleep (1)            - delay for a specified amount of time
switch_root (8)      - switch to another filesystem as the root of the mount ...
systemd-gpt-auto-generator (8) - Generator for automatically discovering and ...
systemd-mount (1)    - Establish and destroy transient mount or auto-mount po...
systemd-remount-fs (8) - Remount root and kernel file systems
systemd-remount-fs.service (8) - Remount root and kernel file systems
systemd-umount (1)   - Establish and destroy transient mount or auto-mount po...
systemd.automount (5) - Automount unit configuration
systemd.mount (5)    - Mount unit configuration
umount (2)           - unmount filesystem
umount (8)           - unmount file systems
umount.udisks2 (8)   - unmount file systems that have been mounted by UDisks2
umount2 (2)          - unmount filesystem
xfs (5)              - layout, mount options, and supported file attributes f...