what is linux bind

linux bind is a command used to display or set keyboard keys and their related functions. You can use the bind command to understand which key combinations and functions they have, and you can also specify which key combinations to use; its usage syntax is " bind [-dlv][-f ca6ded975897b2776a8a23c57d5020a5][-m ca6ded975897b2776a8a23c57d5020a5][-q ca6ded975897b2776a8a23c57d5020a5]".

The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.

What is linux bind?

Linux bind command

The Linux bind command is used to display or set the functions of keyboard keys and their related functions.

You can use the bind command to learn which key combinations and functions they have, or you can specify which key combinations to use.

Syntax

bind [-dlv][-f <按键配置文件>][-m <按键配置>][-q <功能>]

Parameter description:

-d 　显示按键配置的内容。
-f<按键配置文件> 　载入指定的按键配置文件。
-l 　列出所有的功能。
-m<按键配置> 　指定按键配置。
-q<功能> 　显示指定功能的按键。
-v 　列出目前的按键配置与其功能。

Example

Display all functions of key combinations

# bind -l //显示按键组合的内容
abort
accept-line
alias-expand-line
arrow-key-prefix
backward-byte
backward-char
backward-delete-char
backward-kill-line
backward-kill-word
backward-word
beginning-of-history
beginning-of-line
……省略部分内容
vi-goto-mark
vi-insert-beg
vi-insertion-mode
vi-match
vi-movement-mode
vi-next-word
vi-overstrike
vi-overstrike-delete
vi-prev-word
vi-put
vi-redo
vi-replace
vi-rubout
vi-search
vi-search-again
vi-set-mark
vi-subst
vi-tilde-expand
vi-yank-arg
vi-yank-to
yank
yank-last-arg
yank-nth-arg
yank-pop

Display the settings of the current key combination

# bind -l
abort
accept-line
alias-expand-line
arrow-key-prefix
backward-byte
backward-char
backward-delete-char
backward-kill-line
backward-kill-word
backward-word
beginning-of-history
beginning-of-line
call-last-kbd-macro
capitalize-word
character-search
character-search-backward
clear-screen
complete
complete-command
complete-filename
complete-hostname
complete-into-braces
complete-username
complete-variable
copy-backward-word
copy-forward-word
copy-region-as-kill
dabbrev-expand
delete-char
delete-char-or-list
delete-horizontal-space
digit-argument
display-shell-version
do-lowercase-version
downcase-word
dump-functions
dump-macros
dump-variables
dynamic-complete-history
edit-and-execute-command
emacs-editing-mode
end-kbd-macro
end-of-history
end-of-line
exchange-point-and-mark
forward-backward-delete-char
forward-byte
forward-char
forward-search-history
forward-word
glob-complete-word
glob-expand-word
glob-list-expansions
history-and-alias-expand-line
history-expand-line
history-search-backward
history-search-forward
insert-comment
insert-completions
insert-last-argument
kill-line
kill-region
kill-whole-line
kill-word
magic-space
menu-complete
menu-complete-backward
next-history
non-incremental-forward-search-history
non-incremental-forward-search-history-again
non-incremental-reverse-search-history
non-incremental-reverse-search-history-again
old-menu-complete
operate-and-get-next
overwrite-mode
possible-command-completions
possible-completions
possible-filename-completions
possible-hostname-completions
possible-username-completions
possible-variable-completions
previous-history
quoted-insert
redraw-current-line
re-read-init-file
reverse-search-history
revert-line
self-insert
set-mark
shell-backward-kill-word
shell-backward-word
shell-expand-line
shell-forward-word
shell-kill-word
skip-csi-sequence
start-kbd-macro
tab-insert
tilde-expand
transpose-chars
transpose-words
tty-status
undo
universal-argument
unix-filename-rubout
unix-line-discard
unix-word-rubout
upcase-word
vi-append-eol
vi-append-mode
vi-arg-digit
vi-back-to-indent
vi-bword
vi-bWord
vi-change-case
vi-change-char
vi-change-to
vi-char-search
vi-column
vi-complete
vi-delete
vi-delete-to
vi-editing-mode
vi-end-word
vi-eof-maybe
vi-eword
vi-eWord
vi-fetch-history
vi-first-print
vi-fword
vi-fWord
vi-goto-mark
vi-insert-beg
vi-insertion-mode
vi-match
vi-movement-mode
vi-next-word
vi-overstrike
vi-overstrike-delete
vi-prev-word
vi-put
vi-redo
vi-replace
vi-rubout
vi-search
vi-search-again
vi-set-mark
vi-subst
vi-tilde-expand
vi-yank-arg
vi-yank-to
yank
yank-last-arg
yank-nth-arg
yank-pop
root@snail-hnlinux:~# 
root@snail-hnlinux:~# 
root@snail-hnlinux:~# 
root@snail-hnlinux:~# 
root@snail-hnlinux:~# bind -v
set bind-tty-special-chars on
set blink-matching-paren on
set byte-oriented off
set completion-ignore-case off
set convert-meta off
set disable-completion off
set echo-control-characters on
set enable-keypad off
set enable-meta-key on
set expand-tilde off
set history-preserve-point off
set horizontal-scroll-mode off
set input-meta on
set mark-directories on
set mark-modified-lines off
set mark-symlinked-directories off
set match-hidden-files on
set meta-flag on
set output-meta on
set page-completions on
set prefer-visible-bell on
set print-completions-horizontally off
set revert-all-at-newline off
set show-all-if-ambiguous off
set show-all-if-unmodified off
set skip-completed-text off
set visible-stats off
set bell-style audible
set comment-begin #
set completion-prefix-display-length 0
set completion-query-items 100
set editing-mode emacs
set history-size 1000
set keymap emacs

List the keys and key combinations for the specified function

# bind -q abort
//请用 调用abort “C-g”, “C-xC-g”, “eC-g”.
# bind -q accept-line //列出功能“accept-line”按键以及组合按键
//请用 调用accept-line “C-j”, “C-m”.

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