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 getitimer(2) -- get/set value of interval timer
    The system provides each process with three interval timers, defined in . The getitimer() call returns the current value for the timer specified in which in the structure at value. The set...
 getlogin(2) -- get/set login name
    The getlogin() routine returns the login name of the user associated with the current session, as previously set by setlogin(). The name is normally associated with a login shell at the time a session...
 getlogin_r(2) -- get/set login name
    The getlogin() routine returns the login name of the user associated with the current session, as previously set by setlogin(). The name is normally associated with a login shell at the time a session...
 getpeereid(2) -- get effective user and group identification of
    getpeereid() returns the effective user ID and group ID of the peer connected to a UNIX domain socket (see unix(4)). The argument s must be of type SOCK_STREAM. One common use is for UNIX domain serve...
 getpeername(2) -- get name of connected peer
    getpeername() returns the address information of the peer connected to socket s. One common use occurs when a process inherits an open socket, such as TCP servers forked from inetd(8). In this scenari...
 getpgid(2) -- get process group
    The process group of the current process is returned by getpgrp(). The process group of the pid process is returned by getpgid(). Process groups are used for distribution of signals, and by terminals ...
 getpgrp(2) -- get process group
    The process group of the current process is returned by getpgrp(). The process group of the pid process is returned by getpgid(). Process groups are used for distribution of signals, and by terminals ...
 getpid(2) -- get parent or calling process identification
    getpid() returns the process ID of the calling process. Though the ID is guaranteed to be unique, it should NOT be used for constructing temporary file names; see mkstemp(3) instead. getppid() returns...
 getppid(2) -- get parent or calling process identification
    getpid() returns the process ID of the calling process. Though the ID is guaranteed to be unique, it should NOT be used for constructing temporary file names; see mkstemp(3) instead. getppid() returns...
 getpriority(2) -- get/set program scheduling priority
    The scheduling priority of the process, process group, or user, as indicated by which and who is obtained with the getpriority() call and set with the setpriority() call. which is one of PRIO_PROCESS,...
 getresgid(2) -- get or set real, effective and saved user or group ID
    The setresuid() function sets the real, effective and saved user IDs of the current process. The analogous setresgid() sets the real, effective and saved group IDs. Privileged processes may set these ...
 getresuid(2) -- get or set real, effective and saved user or group ID
    The setresuid() function sets the real, effective and saved user IDs of the current process. The analogous setresgid() sets the real, effective and saved group IDs. Privileged processes may set these ...
 getrlimit(2) -- control maximum system resource consumption
    Limits on the consumption of system resources by the current process and each process it creates may be obtained with the getrlimit() call, and set with the setrlimit() call. The resource parameter is...
 getrusage(2) -- get information about resource utilization
    getrusage() returns information describing the resources utilized by the current process, or all its terminated child processes. The who parameter is either RUSAGE_SELF or RUSAGE_CHILDREN. The buffer ...
 getsid(2) -- get process session
    The session ID of the process identified by pid is returned by getsid(). If pid is zero, getsid() returns the session ID of the current process.
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