Linked Questions

0
votes
1answer
440 views

Text insertion bindings in zsh

In zsh, how can I bind (say) c-<cr> to insert &>/dev/null &<cr> at point? I use urxvt.
0
votes
1answer
170 views

How reading command line happens in Ubuntu [duplicate]

As I was doing a project, I came to know about how command line can be read using ncurses and GNU's readline library. However I could not find either in Ubuntu (16.04). I am curious to know how Ubuntu ...
0
votes
1answer
136 views

Which module in a Linux distribution is responsible for keyboard shortcuts? [duplicate]

I have a specific problem with keyboard shortcuts and haven't gotten a solution for it so far, so now i need to know which module within a Linux distribution is responsible for handling keyboard ...
0
votes
1answer
56 views

Keybord-key and the resulting character. Who is responsible (in the OS) [duplicate]

Pressing a key on the keybord results in different types of characters in different OS's. e.g. pressing the up arrow in windows will result in a nother sequence of characters then pressing the same ...
0
votes
1answer
341 views

How are keys passed to emacs and gnome terminal?

I want to use Alt+6 to switch to the 6th gnome terminal tab. But when I am in emacs under a terminal tab, the key will be passed to emacs, and not work on terminal. Is the key first caught by ...
-1
votes
1answer
58 views

What is the difference between shell builtins and shell keyboard shortcuts?

What is the difference between shell builtins (like cd or echo) and shell keyboard shortcuts (like ctrl+u or ctrl+l)? Both seems to me "builtins", what is the major difference by means of system ...
-2
votes
1answer
184 views

How are the processes involved when we send a signal using control keys or running `kill`? [closed]

A signal is sent by or from a process to another process. A bash process is usually run in a terminal emulator process such as gnome terminal. A bash process in turn runs other processes. So when ...
4
votes
0answers
2k views

Keyboard key is not recognized even with showkey

I am using Ubuntu 12.04, in a laptop that I carry around and use with different physical keyboards (as I don't feel comfortable with laptop keyboards) For one of those keyboards (Dell SK-8135) the ...
1
vote
0answers
33 views

Issue All-In-One Inspiron 2310 Monitor Volume Keys

At the side panel from my all in one monitor, there are 2 keys for raising and lowering volume (see picture). After installing Ubuntu 16.04.03, both keys working proper but after the first system ...
1
vote
0answers
45 views

Why does Super-F1 display "::1 localhost"?

Why does pressing Super+F1 cause the terminal to output the following (including "s1") on the following prompt? ~ $ ::1 localhost ~ $ s1 Note: The value of $? seems to be preserved, so I ...
1
vote
0answers
131 views

readline - use of modifiers other than control and meta

I'm trying to use Apple's ⌘ command and ⌥ option keys to map some functions in readline to no avail. As per the man page I used octal values but that doesn't seem to work \xHH the eight-bit ...
1
vote
0answers
18 views

How and when is keyboard data encoded from keyboard to application? [duplicate]

How and when is keyboard data encoded? I just want to know in basic terms the process from the keyboard to the application; when is the data from the keyboard encoded? Is it encoded by the keyboard ...
1
vote
0answers
140 views

How does a terminal emulator work [duplicate]

I never really understood how a terminal emulator (be it e.g. XTerm or the Linux virtual console) works. What transformations happen to the input (key up/down events) to produce the output (usually ...
0
votes
0answers
40 views

How does terminal in Linux actually work? [duplicate]

I'm using Linux console for years, but currently started thinking of how it actually works. Typing a command as a string and pressing Enter returns its output in the same terminal window. Opening a ...
0
votes
0answers
25 views

How does non-shell application read input from keyboard [duplicate]

Shell reads the input from keyboard and mouse using the tty attached to it. The same applies for all the programs that I run via command line where the stdin, stdout and stderr are set to console ...

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