dumpkey [参数]

[root@localhost ~]# dumpkeys --funcs-only 
string F1 = "\033[[A"
string F2 = "\033[[B"
string F3 = "\033[[C"
string F4 = "\033[[D"
string F5 = "\033[[E"
string F6 = "\033[17~"
string F7 = "\033[18~"
string F8 = "\033[19~"
string F9 = "\033[20~"
string F10 = "\033[21~"
string F11 = "\033[23~"
string F12 = "\033[24~"
string F13 = "\033[25~"
string F14 = "\033[26~"
string F15 = "\033[28~"
string F16 = "\033[29~"
string F17 = "\033[31~"
string F18 = "\033[32~"
string F19 = "\033[33~"
string F20 = "\033[34~"
string Find = "\033[1~"
string Insert = "\033[2~"
string Remove = "\033[3~"
string Select = "\033[4~"
string Prior = "\033[5~"
string Next = "\033[6~"
string Macro = "\033[M"
string Pause = "\033[P"
[root@localhost ~]#

[root@localhost ~]# dumpkeys -i
keycode range supported by kernel:           1 - 255  # 内核支持键值码范围
max number of actions bindable to a key:         256  # 可绑定到键值码最大值
number of keymaps in actual use:                 9    # 实际使用的键值数
of which 2 dynamically allocated                      # 其中 2 已动态分配
ranges of action codes supported by kernel:           #被内核支持的动作码值范围
    0x0000 - 0x00ff
    0x0100 - 0x01ff
    0x0200 - 0x0213
    0x0300 - 0x0313
    0x0400 - 0x0405
    0x0500 - 0x05ff
    0x0600 - 0x0603
    0x0700 - 0x0708
    0x0800 - 0x08ff
    0x0900 - 0x0919
    0x0a00 - 0x0a08
    0x0b00 - 0x0bff
    0x0c00 - 0x0c08
    0x0d00 - 0x0dff
    0x0e00 - 0x0e0a
number of function keys supported by kernel: 256     #内核支持的功能键数
max nr of compose definitions: 256                   #编写定义的最大nr
nr of compose definitions in actual use: 158         #实际使用的编写定义nr
[root@localhost ~]#