All Questions
785 questions
3
votes
1
answer
103
views
Why does tab autocomplete sometimes not work?
In bash (Ubuntu 24.10, but I guess this would apply to other versions/distributions) when you type in a console a command you can use TAB to autocomplete the filenames of the current directory. ...
- 795
0
votes
2
answers
60
views
Why are some terminal control characters shadowed by readline
stty -a shows cchars: stop = ^S, reprint = ^R.
Ctrl-r is shadowed by readline's reverse-search-history, so when I press it I get the readline function
Ctrl-s is not shadowed by readline's forward-...
- 109
0
votes
2
answers
24
views
create unique folder on startup with rpi cam
I have a pi cam on a pi zero that needs to run for the whole duration of being on. this pi camera module is being used in stratospheric launch and during our last one we were able to get videos back, ...
- 1
0
votes
2
answers
43
views
How do I remap Ctrl + X in the terminal [closed]
stty -a shows ^Z and ^C but not ^X. Is it not a signal like sigint for ^C and that's why it's not included?
- 113
0
votes
1
answer
18
views
How to show the actual changes for rpl dry-run?
From the manual of rpl the -s option enable the dry-run mode, that is it simulates the substitutions without changing the real files.
If I try it I get the following output:
$ rpl --dry-run 'JLCPCB ...
- 795
0
votes
1
answer
84
views
What are the steps from the moment you start the terminal to the moment the shell starts listening for keyboard input?
What exactly are the steps from the moment I start the pseudo-terminal (CTRL+ALT+T) to the moment the shell starts listening for keyboard input?
I know that it roughly goes in the way that the ...
- 517
1
vote
2
answers
90
views
Why does the kill command not work for SIGTSTP, but works for some other signals (SIGSTOP/SIGINT etc.)?
I have the following two simple programs.
Parent:
package main
import (
"fmt"
"syscall"
)
func main() {
attr := &syscall.ProcAttr{
Files: []uintptr{0, 1, ...
- 517
0
votes
1
answer
85
views
Why does a SIGTSTP signal not handled by the parent move the entire group to the background (contrary to written in TTY demystified)?
I started learning about linux tty(s) and signals and ran into some trouble.
I am reading and using The TTY demystified as a reference.
I made two simple golang programs.
Parent:
package main
import (...
- 517
0
votes
1
answer
91
views
Where is the tty line discipline exactly "logically" located?
I recently started learning about Operating Systems and the linux kernel. I was interested in terminals, so I started there, however, I quickly ran into a problem. I wrote a slightly longer question, ...
- 517
3
votes
0
answers
45
views
Colored output from fd piped into column not aligned correctly
When I run the command fd --color always --max-depth=1 | column the output is not properly aligned, but it is when --color is set to --color never
For reference, fd --color never --max-depth=1 | ...
- 31
0
votes
1
answer
52
views
Is there a file similar to X11's rgb.txt for the 256 colors used in most terminal apps?
We know X11 has rgb.txt file that defines over 700 colors. Is there a similar file that defines the 256 colors (ie., hex code plus name) used in most terminal apps ?
sample lines:
255 250 250 ...
- 9
0
votes
0
answers
28
views
how to change error (std-err) color [duplicate]
Because standard error is a separate device in UNIX-like environments, and programs or shell scripts can redirect their errors to it, it would be logical to configure terminals (any displayer) to ...
- 1
1
vote
2
answers
161
views
Copy to clipboard some previous lines of bash terminal with keyboard only
Let's say you do ls -al in a Bash shell in Debian or Ubuntu and get:
drwxrwxrwt 95 root root 12288 Sep 28 2024 tmp
drwxr-xr-x 14 root root 4096 Sep 28 2024 usr <-- how to copy this to ...
- 2,651
0
votes
2
answers
58
views
Difference in bash output redirections behavior
I am trying to understand the reason behind the difference in redirections of bash output. Here are two approaches:
Redirection of the output to named pipe: /bin/bash -i 2>&1 1>/tmp/fifo
...
- 1
2
votes
2
answers
365
views
How to prevent a bash script from running repeatedly at the start of the terminal
I am physically connected to the machine an I use Arch linux. I use Arabic in the terminal and I use BiCon to add bidirectional support for the terminal (I am using st).
I want the program to start ...
- 43