Feb 20, 2011 · When going through one shell script, I saw the term "$?". What is the significance of this term?

Shell equality operators (=, ==, -eq) Asked 12 years ago Modified 3 years, 6 months ago Viewed 649k times

Shell - "Shell" is a program, which facilitates the interaction between the user and the operating system (kernel). There are many shell implementations available, like sh, Bash, C shell, Z …

May 8, 2012 · I understand the basic difference between an interactive shell and a non-interactive shell. But what exactly differentiates a login shell from a non-login shell? Can you give …

I often come across $?, $0, $1, $2, etc in shell scripting. I know that $? returns the exit status of the last command: echo "this will return 0" echo $? But what do the others do? …

I can't seem to be able to increase the variable value by 1. I have looked at tutorialspoint's Unix / Linux Shell Programming tutorial but it only shows how to add together two variables. I have tr...

docker debug <container or image> It allows you to get a shell (bash/fish/zsh) into any container. It also works for stopped containers and images. Essentially it's a replacement of docker exec …

Apr 4, 2019 · I am hoping to run a simple shell script to ease the management around some conda environments. Activating conda environments via conda activate in a linux os works fine …

Oct 19, 2022 · How do I read user input into a variable in Bash? fullname=&quot;&quot; # Now, read user input into the variable `fullname`.

What can you do with the eval command? Why is it useful? Is it some kind of a built-in function in bash? There is no man page for it..