--exclude-ignore=FILE read exclude patterns for each directory from FILE, if it exists --exclude-ignore-recursive=FILE read exclude patterns for each directory and its subdirectories from FILE, if it exists --exclude-tag=FILE 除 FILE 自身外,排除包含 FILE 的目录中的内容 --exclude-tag-all=FI...
= 32 flags |= O_LARGEFILE; #endif tmp = getname(filename); fd = PTR_ERR(tmp); if (!IS_ERR(tmp)) { fd = get_unused_fd(); if (fd >= 0) { struct file *f = filp_open(tmp, flags, mode); error = PTR_ERR(f); if (IS_ERR(f)) goto out_error; fd_install(fd, f); ...
内存回收很可能会失败,容易造成递归调用 */ if (current->flags & PF_MEMALLOC) goto nopage; /* 尝试直接回收,然后分配,主要是执行内存回收(先不具体分析), 然后执行get_page_from_freelist */ page = __alloc_pages_direct_reclaim(gfp_mask,
例如,要将file1重命名为file2,输入以下命令: 代码语言:javascript 复制 mv file1 file2 您还可以使用mv将多个文件移动到不同的目录: 代码语言:javascript 复制 mv file1 ... fileN dir 2.3.4 touch The touch command creates a file. If the file already exists, touch does not change it, but it...
SIZE=`du -ms $FILE | awk '{print $1}'`if["$SIZE"-gt"1024"];then echo"Warning: File $FILE is too large("$SIZE"M),delete it forever? y/n"whileread answerdoif["$answer"=="y"];then RemoveFileForeverbreakelif["$answer"=="n"];then MoveFileToRecyclebinbreakelseecho"Please input...
locks_remove_file() 在open的文件的最后一个colse的时候,调用此函数此函清理相关的锁资源。通过**__fput()函数进行调用。主要时进行解锁请求、或调用locks_delete_lock()**进行锁删除操作。 FL_FLOCK内核实现 FL_FLOCK锁没有用到fl_owner字段,因为内核判断FL_FLOCK类型锁的拥有者,是通过fl_file字段即打开的文...
2.3.4 touch The touch command creates a file. If the file already exists, touch does not change it, but it does update the file’s modification time stamp printed with the ls -l command. For example, to create an empty file, enter this: touch命令用于创建文件。
这将command命令的标准输出和标准错误输出都写入到file.txt文件中。 Linux基础命令 文件和目录管理 文件 查看文件 作用 lsof /bin/bash 查找某个文件相关的进程 lsof -u root 列出某个用户打开的文件信息 lsof -c redis 列出某个程序进程所打开的文件信息 ...
optional arguments: -h, --help show this help message and exit --output OUTPUT, -o OUTPUT Output path to export report --outdir OUTDIR Directory where diagnostics file will be generated. --no-zip, -nz If set a directory will be created instead of an archive file. --force, -f Will...
Thepython2executable file must be aliased topython. Run the following command to remove any existing aliases. Bash sudo update-alternatives --remove-all python Run the following command to create the new alias. Bash sudo update-alternatives --install /usr/bin/python python /usr/bin/python2 1 ...