All Questions
102 questions
1vote
0answers
327views
Bash terminal lagging one input behind
After a recent update, I've noticed that working on any terminal for more than a few minutes causes a delay between inputting a keypress and seeing it reflected on the screen. Specifically, if I were ...
0votes
1answer
298views
Permission denied error when starting terminal
I'm getting this error when I start my terminal: /home/USERNAME/.config/envman/PATH.env:2: permission denied: /home/USERNAME/.local/bin this is my .zshrc file: # Enable Powerlevel10k instant prompt. ...
0votes
1answer
310views
Auto-translation of newline characters in the terminal
I'm following along here. I notice (this is not complete, just for demonstration) that at this point: #include <termios.h> raw.c_iflag &= ~(ICRNL | IXON); raw.c_oflag &= ~(OPOST); ...
-1votes
1answer
88views
`IFS="value" command` is a popular feature of many shells, but official documentation is hard to find. Where is it documented officially? [duplicate]
I constantly see IFS="value" command being referred to as a means of changing the IFS (Internal Field Separator) temporarily, only for the duration of the command provided, yet there are ...
-1votes
1answer
3kviews
Why use "tail -n 1" for finding the nth line of a file in Unix?
I've noticed that people typically use head -n | tail -n 1 to find the nth line of a file in Shell. For example, if I was asked to find the 7th line of a file, why not just use head -7 instead of ...
0votes
2answers
44views
How to add the strings in a particular line without hardcoding
I have 2 files, 1st file it has the output and another one template. I want to add ID's in the template from output without hardcode the value. Output.txt, abc 8392382222 def 9283923829 ...
3votes
2answers
1kviews
Is there a character in Linux that can be used at start of a filename to bump it to the top in regular sort order but doesn't require escaping etc?
There are lots of questions/answers explaining what characters one shouldn't use in Linux filenames etc. I am looking for a non-alpha/numeric character that I can put at the front of a filename to ...
1vote
0answers
108views
How to find how many words with 10 or more letters are in a file
I want to know how many words with 10 or more letters are in a document without using regex. (this is for a school work and it is one of the contraints) I have been trying multiple thing but really ...
1vote
2answers
6kviews
How can I create a hash or sha256sum in Bash using multiple sources or inputs? What is the recommended method?
I want to create a hash of more than one source in Bash. I am aware that I can: echo -n "STRING" | sha256sum or sha256sum [FILE] What I need is: STRING + FILE FILE + FILE STRING + STRING ...
-1votes
2answers
475views
umask value not working
If I want a directory and file to have the permissions: -rw-r---w- -file drwxr-x-w- - directory why doesn't my umask value of 024 work?
0votes
2answers
313views
How do I sort multiple columns and then cut out two columns
I have the file 6 0 stephen 5 1 john 4 2 margaret 2 3 jack I've been using cat age_names | sort -n -r age_names.txt I want it to display the peoples names in descending order of age, whilst only ...
3votes
2answers
454views
Every row of a file is converted to a new file
I have a file that contains four columns and 5000 rows. I want to make 5000 new files from this file so that each file has one row from the original file. Also, I want to name the new files according ...
7votes
2answers
4kviews
What exactly handles the Ctrl+X shortcut family (e.g. Ctrl+X Ctrl+E) in Linux terminals?
I've seen a lot of online resources mention several compound shortcuts beginning with Ctrl+X : Ctrlx Ctrle : Edits the current line in the $EDITOR program, or vi if undefined. Ctrlx Ctrlr : Read in ...
0votes
0answers
177views
How to get Gentoo Package Count with C Code?
I have a terminal fetching program on my GitHub that is similar to Neofetch but it is written in C instead of bash called Cfetch I know how to get the package count for Arch with C: static char *...
1vote
1answer
5kviews
Chrome OS on Linux through QEMU
Is it possible to install full Chrome OS through KVM on Linux and where can I get the full .iso file or the img of Chrome OS?