3
votes
4answers
312 views

How to return a background task to be in the foreground?

Well, the title does not say much, but I would like to know how to stop a running process after appending it with &. For example, I would like to install software foo. Now, assume, foo has many ...
4
votes
2answers
64 views

How do I cancel/replace one element of running `cmd1 && cmd2 && cmd3 && …` chain?

$ command1 && command2 && command3 Running command1 ... Running command2 ...^Z [1]+ Stopped $ fg && command4 && wrong_command5 && command6 Running command3 ...
4
votes
0answers
37 views

Show error messages and information that a program was killed on another terminal [duplicate]

If I open a program, say evince, from the GNOME GUI, it is not attached to a terminal. If I send it a signal, it acts accordingly but nothing shows up in my terminal. If I were to open it in a ...
4
votes
4answers
3k views

Ctrl-C with two simultaneous commands in bash

I want to run two commands simultaneously in bash on a Linux machine. Therefore in my ./execute.sh bash script I put: command 1 & command 2 echo "done" However when I want to stop the bash ...
7
votes
2answers
821 views

In Bash scripting, what's the meaning of “ $! ”?

If I'm assigning a variable with temp=$! what would it be its value?
1
vote
3answers
1k views

How can I kill a job that was initiated in another shell (terminal window or tab)?

If I begin a process and background it in a terminal window (say ping google.com &), I can kill it using kill %1 (assuming it is job 1). However if I open another terminal window (or tab) the ...
2
votes
2answers
486 views

changing default shell to /bin/bash of at job scheduler like in CRON

I recently switched from 2>&1 >> to &>> Is there a way to have at use /bin/bash as the shell? By default it uses /bin/sh and the man page gives no indication how anything else ...
22
votes
2answers
26k views

How to get the pid of the last executed command in shell script?

I want to have a shell script like this: my-app & echo $my-app-pid But I do not know how the get the pid of the just executed command. I know I can just use the jobs -p my-app command to grep ...
2
votes
3answers
2k views

Where do background jobs go?

From gnome-terminal I know the ability to suspend a job with C-z, and then send it to the background. When I close the terminal the process does not end. Where is the job being managed from, or is it ...