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fchmod(2) -- change mode of file
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The function chmod() sets the file permission bits of the file specified by the pathname path to mode. fchmod() sets the permission bits of the specified file descriptor fd. lchmod() is like chmod() e... |
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fchown(2) -- change owner and group of a file
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The owner ID and group ID of the file named by path or referenced by fd is changed as specified by the arguments owner and group. The owner of a file may change the group to a group of which he or she... |
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fchroot(2) -- change root directory
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dirname is the address of the pathname of a directory, terminated by an ASCII NUL. chroot() causes dirname to become the root directory, that is, the starting point for path searches of pathnames begi... |
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fcntl(2) -- file descriptor control
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fcntl() provides for control over descriptors. The argument fd is a descriptor to be operated on by cmd as described below. The third parameter is called arg and is technically a pointer to void, but ... |
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fdatasync(2) -- synchronize the data of a file
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The fdatasync() function forces all modified data associated with the file descriptor fd to be flushed to stable storage. The functionality is as described for fsync(2), with the exception that file s... |
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fhopen(2) -- access file via file handle
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These functions provide a means to access a file given the file handle fhp. As this method bypasses directory access restrictions, these calls are restricted to the superuser. fhopen() opens the file ... |
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fhstat(2) -- access file via file handle
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These functions provide a means to access a file given the file handle fhp. As this method bypasses directory access restrictions, these calls are restricted to the superuser. fhopen() opens the file ... |
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fhstatfs(2) -- access file via file handle
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These functions provide a means to access a file given the file handle fhp. As this method bypasses directory access restrictions, these calls are restricted to the superuser. fhopen() opens the file ... |
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fktrace(2) -- process tracing
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The ktrace() function enables or disables tracing of one or more processes. Users may only trace their own processes. Only the super-user can trace setuid or setgid programs. The tracefile gives the p... |
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flock(2) -- apply or remove an advisory lock on an open file
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flock() applies or removes an advisory lock on the file associated with the file descriptor fd. A lock is applied by specifying an operation parameter that is one of LOCK_SH or LOCK_EX with the option... |
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fork(2) -- create a new process
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fork() causes creation of a new process. The new process (child process) is an exact copy of the calling process (parent process) except for the following: +o The child process has a unique process ID... |
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fpathconf(2) -- get configurable pathname variables
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The pathconf() and fpathconf() functions provides a method for applications to determine the current value of a configurable system limit or option variable associated with a pathname or file descript... |
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fstat(2) -- get file status
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The stat() function obtains information about the file pointed to by path. Read, write or execute permission of the named file is not required, but all directories listed in the path name leading to t... |
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fstatfs(2) -- get file system statistics
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statfs() returns information about a mounted file system. path is the path name of any file within the mounted file system. buf is a pointer to a statfs structure defined as follows: typedef struct { ... |
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fsync(2) -- synchronize a file's in-core state with that on disk
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fsync() causes all modified data and attributes of fd to be moved to a permanent storage device. This normally results in all in-core modified copies of buffers for the associated file to be written t... |
