SYSFS (man5)
sysfs − a filesystem for exporting kernel objects
sysfs − a filesystem for exporting kernel objects
mangle − Shorewall Packet marking/mangling rules file
sysctl.conf − sysctl preload/configuration file
systemd.socket − Socket unit configuration
mke2fs.conf − Configuration file for mke2fs
PFM – PFM graphic image file format
sane−umax − SANE backend for UMAX scanners
files − Shorewall Configuration Files
hosts_access − format of host access control files
limits.conf − configuration file for the pam_limits module