exit command

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:

Troubleshooting and remediation techniques for Linux systemsAny operating system has a failure, the Linux system is no exception, during the boot process may have some problems, resulting in the system does not start properly. This article from the

Recently to use PHP process to send the reward, because to be accurate to the second execution, the Linux system timing is not used, so wrote a dead loop, usleep is necessary, otherwise the system CPU occupies a very high system CPU.A problem was

1. DocumentsCMD + N: New fileCMD + SHIFT + N: New ItemCMD + O: OpenCMD + S: SaveCMD + SHIFT + S: Save AsCMD + W: Close windowCMD + SHIFT + W: Close file2. EditingCMD + [: Left IndentCMD +]: Right IndentCMD + CTRL + Left: FoldingCMD + CTRL + right:

LINUX Common Command SetThis is my study of Linux online search information, basically from the online resources or other people's blog, now can not find the source, if anyone found its source, please notify me,I must attach the link.SuThe SU

This article transferred from: http://os.51cto.com/art/201304/388384.htmI found that the Linux system in the boot process will have some failures, causing the system to not start normally, I wrote here a few application of single user mode, Grub

Chsh1. RoleThe purpose of the CHSH command is to change the user shell settings, which are used by all users. 2. FormatChsh [-S] [-list] [--help] [-v] [username]3. Main parameters-L: Displays all shell types of the system. -V: Displays the shell

(1) Procedure crack method: This method is available for access to the operating system but does not enter the BIOS setup (requires a password). To do this: switch the computer to DOS, and then enter the following cracking program after the prompt "

At the beginning of November, we learned about Ubuntu 12.04 's way of building a Hadoop cluster environment, and today we'll look at how Ubuntu12.04 builds Hadoop in a stand-alone environment. A. You want to install Ubuntu this step is omitted; Two.

Type of variable in bash Local variable: Valid only for the current shell and not for its child shell Variable assignment: Name=value Name= $user Name= ' command ', name=$ (command): "The Meaning of" and $ () is different. The following figure

It's always easy to forget some of the commands you need, so stick them here for a while. Screen is a multiple Windows management program. The so-called window here refers to a Full-screen text-mode screen. The screen program is typically used only

Docker is a "lightweight" container technology that almost shakes the status of traditional virtualization technology, and now more and more companies are starting to use Docker to replace existing virtualization platforms. As a Java programmer,

Due to display formatting problems, recommended to the original blog read: https://my.oschina.net/sunchp/blog/616526 1 Docker vs. virtual machines 2 Building process 2.1 Preparing the host system Prepare a CentOS 7 operating system with the

============ Problem Description ============Warrior, if I want to start activity B in activity A, then activity A can also send status information to B, B and then according to the status of a sent to determine its own changes, such as a send Exit

Common commands for getting started with Linux 1. linux: You must enter your account. During system installation, you can create the following two types of accounts: 1. root-Super User Account (System Administrator), which can be used to do anything

Now there are a lot of prank programs on the Internet, the light repeatedly re-launch the system, the heavy weight format the hard disk or even rewrite the hard disk track, next we will introduce three DAMAGE software repair. I. Repair after

Currently, Full Hardware virtualization technology (KVM, Xen, Hyper-V, etc.) can run multiple independent operating systems on a physical host, but this also brings about some problems: poor performance, waste of resources, and slow system response.

* No Port * No files are left after the startup.* Generally, there is no problem of UDP single packet 512 bytes. Of course, if you execute amazing commands, I can't* Non-Interactive shell, that is, you cannot use carriage return to write multiple

1Main functionsIn earlier UNIX systems, the root directory was a fixed point in the file system. In the current UNIX variants, including Linux, you can define the root directory based on each process. The chroot utility allows you to run a process

The original Article is from Lin yufei ubuntu version 12.04.364 where hadoop runs on a Java Virtual Machine. Therefore, you need to install jdk first. jdk installation and configuration methods should be prepared by installing jdk 1.7 source code