When I press run popular node command line apps (like gulp) and press Ctrl+C in PowerShell, I receive: Terminate batch job (Y/N)? Similar to https://superuser.com/questions/35698/how-to-supress-t...

How can I run a shell script and immediately background it, however keep the ability to inspect its output any time by tailing /tmp/output.txt. It would be nice if I can foreground the process too ...

To maximize CPU usage (I run things on a Debian Lenny in EC2) I have a simple script to launch jobs in parallel: #!/bin/bash for i in apache-200901*.log; do echo "Processing $i ..."; do_...

I have an embedded system, on which I do telnet and then I run an application in background: ./app_name & Now if I close my terminal and do telnet from other terminal and if I check then I c...

When bash is invoked as pid 1 directly through the kernel option init=/bin/bash --login, it will issue something like this before prompting: bash: cannot set terminal process group (-1): Inappropri...

I have a long-running task that I want to run using a job array on slurm. The script I am currently using to submit the jobs is: #!/bin/bash #SBATCH --output=slurm-%A_%a.out #SBATCH --array=1-...

I want to play a sound after a command finishes, but only if the command took more than a second. I have this code (copied from https://mcmap.net/q/86798/-how-to-run-a-command-with-a-timeout-so-th...

The following is a simplified version of some code I have: #!/bin/bash myfile=file.txt interactive_command > $myfile & pid=$! # Use tail to wait for the file to be populated while read -r...

I have a process that goes something like this: Run a command that generates a bunch of results in a bunch of files Open a file in vim Edit one of the results Background vim, get the next result,...

I need to chain two MapReduce jobs. I used JobControl to set job2 as dependent of job1. It works, output files are created!! But it doesn't stop! In the shell it remains in this state: 12/09/11 19...

In a comment on this answer of another question, the commenter says: don’t use kill -9 unless absolutely necessary! SIGKILL can’t be trapped so the killed program can’t run any shutdown ...

How do I kill the last spawned background task in Linux? Example: doSomething doAnotherThing doB & doC doD #kill doB ????

ctrl-z (^z) acts in ways I do not understand when done inside a loop executed from a terminal. Say I type for ii in {0..100}; do echo $ii; sleep 1; done then I hit ^z. I'll get: [1]+ Stopped s...

In this answer to another question, I was told that in scripts you don't have job control (and trying to turn it on is stupid) This is the first time I've heard this, and I've pored over the ...

To create a new interactive bash shell I call bash -i. Due to issues with my environment, bash cannot assert job control (I'm using cygwin bash in GNU emacs) and issues warnings ("cannot set termin...

Suppose pid X is a process group leader and X terminates, but other processes in the process group remain running (with X as their pgid). Will Linux prevent the value X from being assigned as a pid...

What I know: When a process is running I can press Ctrl+Z and suspend it. The with bg and fg commands I can either run it in "background" or "foreground" mode. What I'm aksing: ...