tun(4) - phpMan

Test2::Tools::Tiny (3pm) - Tiny set of tools for unfortunate souls who cannot...
adjtimex (2)         - tune kernel clock
bdflush (2)          - start, flush, or tune buffer-dirty-flush daemon
btrfstune (8)        - tune various filesystem parameters
db_tuner (1)         - analyze and tune btree database
getunwind (2)        - copy the unwind data to caller's buffer
ip (8)               - show / manipulate routing, devices, policy routing and...
ip-l2tp (8)          - L2TPv3 static unmanaged tunnel configuration
ip-tunnel (8)        - tunnel configuration
iptunnel (8)         - creates, deletes, and displays configured tunnels
plipconfig (8)       - fine tune PLIP device parameters
rrdtune (1)          - Modify some basic properties of a Round Robin Database
tc-tunnel_key (8)    - Tunnel metadata manipulation
tune2fs (8)          - adjust tunable filesystem parameters on ext2/ext3/ext4...