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accept(2) -- accept a connection on a socket
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The accept function is used with connection-based socket types (SOCK_STREAM, SOCK_SEQPACKET and SOCK_RDM). It extracts the first connection request on the queue of pending connections, creates a new c... |
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access(2) -- check user's permissions for a file
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access checks whether the process would be allowed to read, write or test for existence of the file (or other file system object) whose name is pathname. If pathname is a symbolic link permissions of ... |
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acct(2) -- switch process accounting on or off
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When called with the name of an existing file as argument, accounting is turned on, records for each terminating process are appended to filename as it terminates. An argument of NULL causes accountin... |
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adjtimex(2) -- tune kernel clock
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Linux uses David L. Mills' clock adjustment algorithm (see RFC 1305). The system call adjtimex reads and optionally sets adjustment parameters for this algorithm. It takes a pointer to a timex struct... |
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alarm(2) -- set an alarm clock for delivery of a signal
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alarm arranges for a SIGALRM signal to be delivered to the process in seconds seconds. If seconds is zero, no new alarm is scheduled. In any event any previously set alarm is cancelled. |
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bdflush(2) -- start, flush, or tune buffer-dirty-flush daemon
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bdflush starts, flushes, or tunes the buffer-dirty-flush daemon. Only the super-user may call bdflush. If func is negative or 0, and no daemon has been started, then bdflush enters the daemon code and... |
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bind(2) -- bind a name to a socket
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bind gives the socket sockfd the local address my_addr. my_addr is addrlen bytes long. Traditionally, this is called "assigning a name to a socket." When a socket is created with socket(2), it exist... |
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brk(2) -- change data segment size
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brk sets the end of the data segment to the value specified by end_data_segment, when that value is reasonable, the system does have enough memory and the process does not exceed its max data size (se... |
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cacheflush(2) -- flush contents of instruction and/or data cache
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cacheflush flushes contents of indicated cache(s) for user addresses in the range addr to (addr+nbytes-1). Cache may be one of: ICACHE Flush the instruction cache. DCACHE Write back to memory and inva... |
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capget(2) -- set/get process capabilities
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As of Linux 2.2, the power of the superuser (root) has been partitioned into a set of discrete capabilities. Every process has a set of effective capabilities identifying which capabilities (if any) i... |
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chdir(2) -- change working directory
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chdir changes the current directory to that specified in path. fchdir is identical to chdir, only that the directory is given as an open file descriptor. |
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chmod(2) -- change permissions of a file
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The mode of the file given by path or referenced by fildes is changed. Modes are specified by or'ing the following: S_ISUID 04000 set user ID on execution S_ISGID 02000 set group ID on execution S_IS... |
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chown(2) -- change ownership of a file
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The owner of the file specified by path or by fd is changed. Only the super-user may change the owner of a file. The owner of a file may change the group of the file to any group of which that owner i... |
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chroot(2) -- change root directory
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chroot changes the root directory to that specified in path. This directory will be used for path names beginning with /. The root directory is inherited by all children of the current process. Only t... |
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clone(2) -- create a child process
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clone creates a new process, just like fork(2). clone is a library function layered on top of the underlying clone system call, hereinafter referred to as sys_clone. A description of sys_clone is give... |
