Linux

The/boot directory is the file required for boot----kernel, boot menu, and the required configuration files, etc.;(1) The configuration file of the system kernel;(2) Start the Management Program Grub directory, which is placed in the grub at the

Transferred from: http://www.cnblogs.com/kerrycode/p/3806618.html1, Command Introduction: To identify file types, but also to identify some of the file encoding format. It is to get the file type by looking at the header information of the file,

In Linux, we often look for a file, but we do not know where to put it, for this case, we can use the following commands to search for files:Which: View the location of the executable file.Whereis: View the location of the file.Locate: View the file

Du-sh/* | SORT-NR See how much disk space is being consumed by the files in the root directory,Sort command Parameters:-B ignores whitespace characters that begin before each line.-C checks whether the files are sorted in order.-f sort, ignores

Younger brother's first Linux blog, I hope you pass the heroes can leave valuable advice, if you can point out where the younger brother is not even wrong to write it better!!! The younger brother will immediately correct and deep record! Thank you

Vim processes data in a memory bufferIf you do not specify a file name when you start Vim, or if the file does not exist, VIM will open a new buffer to edit.H move one character to the leftJ Move down one lineK Move up one lineL Move one character

Start the first step --load the BIOSWhen you turn on the computer, the computer loads the BIOS information first, and the BIOS information is so important that the computer must find it at the very beginning. This is because the BIOS contains

Cause analysis: Many Linux uses udev to dynamically manage device files and to persist names based on device information, andVMware automatically generates Mac addresses for virtual machines. In this way, because the virtual machine of the base

When you need to set permissions on a file for a particular user, the traditional chmod operation may not meet our needs, and you can use FACL (file access control system) to set additional permissions on a user for a file. There are two commands

In the study, reference to this article: http://blog.csdn.net/collection4u/article/details/14127671; In this article, the author describes three network modes of virtual machines in VMware: Bridge (bridging) , NAT (network address translation), Host-

1, Command introduction:The which is used to search for the location of a system command in the specified path and returns the first search result.2. Command format:which [options] system commands3. Command parameters:-n Specifies the length of the

1.grep  Text Search 2.locate  dependent database, non-real-time lookup, Find Fast, Fuzzy Lookup (updatedb) 3.find  real-time search, exact match, slow      find [option] [Find path] [find condition] [processing action]         Find path: Defaults to

Piping (pipe) Operation Principle of pipelinePiping is the most basic IPC mechanism, created by the pipe function:#include int pipe (int filedes[2]);Call the pipe function in the kernel to open a buffer for communication, it has a read end and a

1. Pipe capacity count=65536, i.e. 64KB#include #include #include #include #include #include #include int main () { int _pipe[2]; if (pipe (_pipe) ==-1) { printf ("Pipe error\n"); return 1; } int ret; int count=0

Common Linux commands and linux commands Uname-a # view kernel/operating system/CPU InformationHead-n 1/etc/issue # view the operating system versionCat/proc/cpuinfo # view CPU InformationHostname # view the computer nameLspci-TV # list all PCI

Linux Command (5): rm command, linux Command rm Command for deleting files and directories in linux: rm command. Rm is a common command used to delete one or more files or directories in a directory. It can also delete all files and subdirectories

Linux Command (3): pwd command, linux Command pwd In Linux, run the pwd command to view the complete path of the "current working directory. To put it simply, whenever you operate on a terminal, you will have a current working directory.If you are

Build Centos vsftpd server and centosvsftpd Centos vsftpd server Construction Time: 2016-07-18 1. The simplest vsftpd server Construction1. Install vsftpd1. Install yum 　yum install vsftpd 　　 2. Install the rpm file (if there is no rpm file, you

Install GIT in CentOS (test it) and centosgit1. install the required software package # sudo su # yum install curl-devel expat-devel gettext-devel openssl-devel zlib-devel # yum install gcc perl-ExtUtils-MakeMaker2, download & install # cd/usr/ src #

Core dump and linuxcoredump in Linux　　Basic concepts of core dumpWhen a process is terminated abnormally, you can save all the user space data of the process to the disk. The file name is usually core, which is called Core Dump.Normally, the core