how to check exit status

1. IntruductionExitmakeShell(script) to exit with a specified status value, Execute without parametersExitwhen, Shellor the script exits with the status value of the last execution command. Shellbefore exiting, Trapcan huntEXITsignal. 0indicates

Original link: http://codingstandards.iteye.com/blog/836625 (reproduced please specify the source)Description of UseThe exit command exits the current shell and can terminate the current script execution in a shell script.Common parametersFormat:

Reclaim process user space resource exit () function _ exit () function atexit () function on_exit () function, _ exitatexitAbstract:This article describes how to terminate a process and how to use the exit () function to terminate the process and

Abstract:This article describes how to terminate a process and how to use the exit () function to terminate the process and reclaim the user space resources of the process. It analyzes the exit () function and the _ exit () function, difference in

/Usr/libexec/gconf-sanity-check-2 exit status 256 resolution after CentOS is started displays/usr/libexec/gconf-sanity-check-2 exit status 256. X-windows cannot be entered. Cause: some files under/tmp are deleted when the NFS server is set up...

Problem Description:The CentOS startup is reported as follows: " Configuration Server error/usr/libexec/gconf-sanity-check-2 exit status is"Cause of the problem:When you install Hadoop, you mistakenly delete the/tmp file or change the/tmp permission.

/Usr/libexec/gconf-sanity-check-2 exit status 256 resolution after CentOS is started displays/usr/libexec/gconf-sanity-check-2 exit status 256. X-windows cannot be entered. Cause: when setting up an NFS server, some files under/tmp are deleted, and

Differences between exit () and _ exit ()   Linux source code # DEFINE _ nr_exit 1 # DEFINE _ nR _ exit _ nr_exit/* from the File Include/asm-i386/unistd. H */"_ NR _" is the prefix for each system call in the Linux source code. Note that there are

Linux Shell Bash with special meaning exit code purpose descriptionThe exit command exits the current shell and can terminate the current script execution in a shell script.Common parametersFormat: Exit nExit. Set the exit code to N. (cause the

The Stop command uses the program location initialization, at selection-screen, start-of-selection and get to handle instructions 1. When the command is executed in the initialization event, the system will directly trigger the sending of the