Each file can obtain the file information through a struct stat structure, where one member St_nlink the number of links representing the file.When using the shell's Touch command or open a nonexistent file with O_creat in the program, the number of
Each file can obtain the file information through a struct stat structure, where one member St_nlink the number of links representing the file.When using the shell's Touch command or open a nonexistent file with O_creat in the program, the number of
The function link, linkat, unlink, Unlinkat, and remove instance programs open a file and then unlink it. The process that executes the program then sleeps for 30 seconds and then terminates.
#include "apue.h"
#include
int
Each file can obtain the file information through a struct stat struct. One of the member st_nlink represents the number of links to the file.
Struct stat {unsigned longst_dev;/* device. */unsigned longst_ino;/* file serial number. */unsigned
Each file can obtain the file information through a struct stat structure, where one member St_nlink the number of links representing the file.When using the shell's Touch command or open a nonexistent file with O_creat in the program, the number of
Linux Command learning Summary: rm command, linux Command summary rm
Command introduction:
This command is used to delete files or directories in Linux. Normally, rm will not delete the directory. You must specify the-r or-R parameter to delete
Learn about Linux file systems from InodeHard links and soft links are an important concept in the Linux file system, which involves index nodes (index node, also called Inode) in the file system, and the index node object is one of the four basic
In linux, the chmod command for changing file permissions 1. chmod is the command for changing file permissions in linux. common commands include: (1) sudochmodu + x (2) sudochmodg + x (3) in sudochmodo + x, u, g, and o represent user, group, others,
1 files and directories of Linux
Modern operating systems introduce files for long-term storage of information that can be stored independently of the process, and the logical units of the files that create information as processes can be used
tar [-cxtzjvfppn] files and directories ....
Example:
Example one: Package all the files in the/etc directory into a/tmp/etc.tar
[Root@linux ~]# tar-cvf/tmp/etc.tar/etc [Root@linux ~]# tar-zcvf/tmp/etc.tar.gz/etc [Root@linux ~]#
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