query: Why does sending a process to background set $? to a non-zero value?
positive_passages.docid: 147454
positive_passages.text: Why does bash set $? (exit status) to non-zero on Ctrl-C or Ctrl-Z?
negative_passages.docid: 108681
negative_passages.text: What is the $? (dollar question mark) variable in shell scripting?
negative_passages.docid: 67775
negative_passages.text: What's the difference between running a program as a daemon and forking it into background with '&'?
negative_passages.docid: 48479
negative_passages.text: How can I do Ctrl-Z and bg in one keypress to make process continue in background?
negative_passages.docid: 149996
negative_passages.text: How to pass arguments to a BackGroundWorker
negative_passages.docid: 120915
negative_passages.text: Send command to a background process
negative_passages.docid: 131823
negative_passages.text: Why is setting a variable before a command legal in bash?
negative_passages.docid: 72878
negative_passages.text: Variables set in a bash 'while read' loop are unset after it
negative_passages.docid: 18978
negative_passages.text: Why is this bash prompt acting strangely/disappearing, and how do I fix it (OS X)?
negative_passages.docid: 104238
negative_passages.text: Why is the line following printf(), a call to sleep(), executed before anything is printed?
negative_passages.docid: 96310
negative_passages.text: What does a program do when it's sent SIGKILL signal?
negative_passages.docid: 6602
negative_passages.text: What does set -e mean in a bash script?
negative_passages.docid: 137960
negative_passages.text: Are limits.conf values applied on a per-process basis?
negative_passages.docid: 145543
negative_passages.text: Bash way to check if a process is already running in the background (and skip re-execution based on that)?
negative_passages.docid: 129123
negative_passages.text: Background process of subshell strange behaviour
negative_passages.docid: 53946
negative_passages.text: Is there a version of the wait() system call that sets a timeout?
negative_passages.docid: 126627
negative_passages.text: Does execute anonymous from Developer Console not enforce heap size limit?