mainframe file types

Example: Want to copy a file from the external to the specified path in the project, if directly copied to the corresponding folder path, start Eslipse and not recognize the file, the following describes the direct copy of the method to eclipse, after the successful replication will be in the project in the corresponding path to generate files, In the following example, copy the common.py

File systems mounted under Linux sometimes need to fill in the file system. But some devices get hands still do not know the file system, this situation, can be usedparted command# parted/dev/Vdagnu Parted3.2Using/dev/vdawelcome to GNU Parted! Type' Help'To view a list of commands. (parted) Print Model:virtio Block Device (virtblk) Disk/dev/vda: -. 7GBSector size

Linux File types:Normal files: Identity-fileCatalog files: Identifying D DirectorySymbol Connection file: Identification L symobolic linke fileBlock Device: Identity B, Random, read by block, such as HDD blockCharacter device: Identity C, sequential, sequential read, such as terminal characterSocket file: Socket ID sSoftware simulations that allow 2 of processes

You can send header information through the header function in PHP, and you can set the Content-type of the file, and then sort out the content-type values for some common file types. Date 2015-06-22//Definition Code header (' Content-type:text/html;charset=utf-8 '); Atom header (' Content-type:application/atom+xml '); CSS header (' content-type:text/cs

Linux files are basically divided into three properties: readable ( R), writable ( W), executable ( x) (Take -rwxr-xr-x as an example): Rwx (Owner) r-x (Group) r-x (Other)The permissions represented are: The user is readable, writable, executable, the same group of users can be read, not writable, executable, other users can read, not write, can be executed.chmod [-r] XYZ file or directoryXYZ is the sum of three rwx attribute valuesThe numbers in the

File type: the.py python源文件 由python解释器执行.pyc python源码编译后生成的文件（字节代码）编译方法： 源码文件中使用py_compile模块 import py_compile py_complie.compile(‘***.py‘) .pyo python源码优化编译后后文件 python -O -m compile ***.py (无需要源码中使用 compile模块) -O 表示优化 -m 表示模块 Python variablesA variable is an area of computer memory that can store values within a specified range, and the value can be changedThe python under variable is a reference to a dataVariableThe py