When Linux installs the software, I always have the idea that the software is installed in that directory. Because the Linux system differs from the Windows system, instead of creating a folder on that disk, install the program you need to install to the specified directory. The Linux directory is similar to a tree, the topmost is its root
In this article, we'll look at the knowledge of one of the directories in Python, first of which we'll look at Python's knowledge of deleting a directory, and when you delete a directory,
python also
deletes the file under the directory.
rmdir () Fang Method
The RmDir () method deletes the directory, and the
Tags: shell script#/bin/bashWork_home=/dataOlddata_home= "${work_home}/olddata"Target_day= ' date-d '-3 day "+%f"#打包前3天的日期目录压缩成功后并删除TAR-ZCVF ${olddata_home}/$target _day.tar.gz ${olddata_home}/$target _dayIf [$?-eq 0];thenecho "The $i is Compression success"RM-RF ${olddata_home}/$target _dayElseecho "The $i is not Compression success"#breakFiThis article is from the "Yang Yu" blog, please be sure to keep this source http://10302043.blog.51cto.com/10292043/1971444The shell script will specify the
Today, we mainly introduce the application of file directory function in the development of PHP website. In the development of PHP website, we often need to read directory file information or create a directory to store the necessary files, and when the directory file size exceeds the specified size, we need to delete
One, the directory of files under LinuxSummary: The Linux file system is a hierarchical, tree- like structure in which the topmost layer of the structure is the root directory "/", and then another directory is created in this directory. A deep understanding of the Linux file dire
Use CD-(middle bar) to switch to the previous directoryThe CD command will change the directory stack1, dirs1) functionDisplays all records in the current directory stack (the dirs command with no parameters displays the records in the current directory stack)2) syntax(1) Format: dirs [-CLPV] [+n] [-n](2) Options-C Delete all records in the
The following are some of the most important directories and the various functions of Linux systems:/root directory.Contains almost all of the file directories. Equivalent to a central system. The simplest way to enter is: CD/./bootDirectories such as boot programs, kernels, and so on.This directory, including the necessary files in the boot process, the boot program related files (such as Grub,lilo and the corresponding configuration file and Linux o
Tags: mobile base tar www mes through file storage storage. comInitdb will specify a PGDATA directory, which is where PostgresQL stores data, such as:/var/lib/pgsql/10/data.====== Display Data Catalog1. Enter PsqlSudo-u Postgres Psql2. Locate the Data directorypostgres=# SHOW data_directory;Data_directory------------------------/var/lib/pgsql/10/data(1 row)======pgdata the contents of the following items are presumably:File storage ContentVersion numb
You can use the
(1) Define which features are used by the directory
Options Indexes MultiViews
The options option defines which features are used in the directory, including indexes, MultiViews, and execcgi, as shown in table 7-1.Table 7-1 Directory feature options
say clear
tr>
Path strings are manipulated by path
Get suffix
Can merge paths
Get file name
Directory operations by directory and DirectoryInfo
To determine whether a directory exists
Create a table of contents
Delete Directory
Get all subdirectories under directory
Get all the subfolder
In daily operations, we often use rsync as a synchronization artifact. Sometimes when synchronizing two directories, it is required to delete files in the target directory that are more than the source directory, in which case the--delete parameter of rsync can be used to implement this requirement.Like what:Synchronize the/tmp/work directory on Server A to the/t
I. Introduction to the active catalogue
Active Directory (Active Directory) is the component that provides directory services in a Windows Server 2003 domain environment. Directory services are introduced on the Microsoft platform from Windows Server 2000, so we can understand that the Active
Tags: Resolution type img Number requires test head file type otherI. File rename and move (MV) In Linux, renaming files is called moving (moving). The MV command can move files and directories to another location or rename them. 1.1 Using the MV RenameBelow/usr/local create an empty file as test, using the MV command to rename to Test1, viewing the inode number and time will remain the same, because the MV only affects the file name. As shown in the following: 1.2 Moving position with M
After a trial, QT initiates a new process, the working directory of the process is inherited from the parent process, either through start or startdetached.In fact, for the Linux system, the QT bottom should also call fork, exec and other functions, for fork, see Apue Chinese version of the third version, the following analysis:There are two common scenarios for processing file descriptors after F o r K:(1) The parent process waits for the child proce
Five ways to get the program's current working directory and execution directory in C #String Str= "";str + = "\ r \ n" + System.Diagnostics.Process.GetCurrentProcess (). Mainmodule.filename;str + = "\ r \ n" + System.Environment.CurrentDirectory;str + = "\ r \ n" + System.IO.Directory.GetCurrentDirectory ();str + = "\ r \ n" + System.AppDomain.CurrentDomain.BaseDirectory;str + = "\ r \ n" + System.AppDomai
GrammarOpendir (Path,context)*/$d =dir ("c:windows"); Open the table of contents and assign values to variablesecho "Handle:". $d->handle. "n "; Handel property of Output directoryecho "echo "Path:" $d->path. "n "; The path attribute of the output directoryecho "while (false!== ($entry = $d->read ())//The method of reading the object by looping{echo $entry. " n ";}$d->close (); Close a directory handle
//
$dir = "C:windows"; Definition Directoryif (
Directory Structure of Linux 1. Directory Description of LinuxLinux is an inverted tree structureEverything in Linux is a file.These files are at the top of the system directory "/"/is the root directory/directory Below is a level two d
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