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chown(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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chroot(2) -- change root directory
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The dirname argument is the address of the pathname of a directory, terminated by an ASCII NUL. The chroot() system call causes dirname to become the root directory, that is, the starting point for pa... |
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clock_getres(2) -- get/set/calibrate date and time
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The clock_gettime() and clock_settime() allow the calling process to retrieve or set the value used by a clock which is specifed by clock_id. The clock_id argument can be one of four values: CLOCK_REA... |
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clock_gettime(2) -- get/set/calibrate date and time
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The clock_gettime() and clock_settime() allow the calling process to retrieve or set the value used by a clock which is specifed by clock_id. The clock_id argument can be one of four values: CLOCK_REA... |
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clock_settime(2) -- get/set/calibrate date and time
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The clock_gettime() and clock_settime() allow the calling process to retrieve or set the value used by a clock which is specifed by clock_id. The clock_id argument can be one of four values: CLOCK_REA... |
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close(2) -- delete a descriptor
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The close() system call deletes a descriptor from the per-process object reference table. If this is the last reference to the underlying object, the object will be deactivated. For example, on the la... |
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connect(2) -- initiate a connection on a socket
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The s argument is a socket. If it is of type SOCK_DGRAM, this call specifies the peer with which the socket is to be associated; this address is that to which datagrams are to be sent, and the only ad... |
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creat(2) -- create a new file
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This interface is made obsolete by: open(2). The creat() function is the same as: open(path, O_CREAT | O_TRUNC | O_WRONLY, mode); |
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dup(2) -- duplicate an existing file descriptor
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The dup() system call duplicates an existing object descriptor and returns its value to the calling process (newd = dup(oldd)). The argument oldd is a small non-negative integer index in the per-proce... |
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dup2(2) -- duplicate an existing file descriptor
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The dup() system call duplicates an existing object descriptor and returns its value to the calling process (newd = dup(oldd)). The argument oldd is a small non-negative integer index in the per-proce... |
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eaccess(2) -- check accessibility of a file
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The access() and eaccess() system calls check the accessibility of the file named by the path argument for the access permissions indicated by the mode argument. The value of mode is either the bitwis... |
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errno(2) -- introduction to system calls and error numbers
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This section provides an overview of the system calls, their error returns, and other common definitions and concepts. |
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execve(2) -- execute a file
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The execve() system call transforms the calling process into a new process. The new process is constructed from an ordinary file, whose name is pointed to by path, called the new process file. This fi... |
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extattr(2) -- system calls to manipulate VFS extended attributes
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Named extended attributes are meta-data associated with vnodes representing files and directories. They exist as "name=value" pairs within a set of namespaces. The extattr_get_file() system call ret... |
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extattr_delete_fd(2) -- system calls to manipulate VFS extended attributes
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Named extended attributes are meta-data associated with vnodes representing files and directories. They exist as "name=value" pairs within a set of namespaces. The extattr_get_file() system call ret... |
