Tagged Questions
3
votes
1answer
181 views
wait does not wait
If i have a file called myprogram containing
sleep 200
date
Run this in the background:
$ sh myprogram &
i want to know when myprogram has completed by using wait command
$ cat >notify
...
1
vote
2answers
647 views
How to pass data outside process for zenity progress?
Usually this would be a question about how to pass data from a subprocess to a main process, but maybe zenity has some extra quirks so please focus on zenity.
Example:
#!/bin/sh
(
echo "10" ; sleep ...
4
votes
1answer
90 views
Is it the process that cleans itself on termination or the kernel?
Recently I found this in a powerpoint presentation:
When a program is compiled and linked, the linker inserts some extra code in the program. It is this code that calls the main function about the ...
2
votes
3answers
381 views
What is meant with terminating a process normally?
In an examination it is stated:
Give 2 different ways that a process can terminate normally. Describe
the differences.
What is meant with terminate normally?
5
votes
1answer
166 views
Return value of a process and comparison of the number
I have a val.py python script that returns a negative number.
import sys
sys.exit(-1234)
When I run this bash script, I get the value $? as return value of 46 (not -1234).
Even when I tried to ...
2
votes
2answers
487 views
Removing zombie process from the process table
Can somebody please explain when parent process receives the exit status of a dead child process via wait, who actually reallocates the memory of the child process and removes it from the process ...
