The STAT system call series includes Fstat, Stat, and Lstat, all of which are used to return "related file state information", except that the source file is set differently. The first introduction is a very important type of struct, named struct
Fstat, stat, and lstat usage, fstatstatlstat
The stat System Call series include fstat, stat, and lstat, which are used to return "Related File status information". The difference between the three is that the source file setting method is different.
Stat function ExplanationTable header files: #include #include Define functions: Int stat (const char *file_name, struct stat *buf);Function Description: Obtains file information by filename, and is stored in the structure stat referred to by
Generally, for processes that require a large amount of CPU computing, the higher the front-end pressure, the higher the CPU utilization. However, for I/O network-intensive processes, even if there are many requests, the CPU of the server may not be
Stat Instructions: File/File system details are displayed.The stat command is primarily used to display detailed information about a file or file system, which has the following syntax:Stat command-to display the details of the file, including Inode,
Stat Function Description
Header file: # include # Include Define the function: int Stat (const char * file_name, struct stat * BUF );Function Description: get the file information through the filename file name and store it in the struct stat
Stat -- get more information than ls
Get tired of ls commands and want to see more interesting information about your files? Try stat!
The ls command may be one of the first commands learned by every Unix user, but it only displays a small part of
Attention
1. Some platforms do not support Stat64,
2. Get the type of file size off_t,
The off_t type in Linux is a 32-bit long int (4 bytes) by default.
The file may overflow when it is too large.
It is recommended that GCC compile-time
Function Description: displays inode content.Syntax: stat [file or directory]Note: stat displays inode content in text format.
The LS command and many parameters provide some useful file information. Another unfamiliar command, stat, provides more
reproduced from: http://blog.csdn.net/brucexu1978/article/details/7721313
Linux process status (PS stat) R, S, D, T, Z, X
March 11, 2012 Posted by Jian
PS Progress Status: process state codesPROCESS State Codes
Here are the different values of
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