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setlogin(2) -- Get or set the login name
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The getlogin() function returns the login name of the user associated with the current session. The name is normally associated with a login shell at the time a session is created, and is inherited by... |
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setpgid(2) -- Set the process group ID
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Use the setpgid() function to add a process to an existing process group or to create a new process group within a process's session. The setpgid() function does not change the process group ID of a ... |
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setpgrp(2) -- Set the process group ID
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Use the setpgid() function to add a process to an existing process group or to create a new process group within a process's session. The setpgid() function does not change the process group ID of a ... |
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setpriority(2) -- Get or set process scheduling priority
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The getpriority() function obtains the current priority of a process, process group, or user. The getpriority() function returns the highest priority (lowest numerical value) pertaining to any of the ... |
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setregid(2) -- Set the real and effective group ID
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The setregid() function sets the real group ID of the current process to the value specified by the rgid parameter, and sets the effective group ID to the value specified by the egid parameter. If the... |
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setreuid(2) -- Set real and effective user IDs
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The setreuid() function sets the real and effective user IDs of the current process to the values specified by the ruid and euid parameters. If ruid or euid is -1, the corresponding effective or real ... |
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setrlimit(2) -- Control maximum system resource consumption
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The getrlimit() function obtains the limits on the consumption of system resources by the current process and each process it creates. You use the setrlimit() function to set these resources. Each res... |
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setsid(2) -- Set the process group ID
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The setsid() function creates a new session when the calling process is not a process group leader. The calling process then becomes the session leader of this session, becomes the process leader of t... |
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setsockopt(2) -- Set socket options
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The setsockopt() function sets options associated with a socket. Options may exist at multiple protocol levels. The SO_ options are always present at the uppermost socket level. The setsockopt() funct... |
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setsysinfo(2) -- Set system information
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The setsysinfo system call modifies system information. The op argument specifies the operation to be performed. Values for op are defined in the and header fil... |
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settimeofday(2) -- Gets and sets date and time and converts time between timeval and timeval64
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The gettimeofday(), ftime(), and settimeofday() functions get and set the time and timezone information stored in the kernel. The gettimeofday() function gets the current time, expressed in seconds an... |
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settimeofday64(2) -- Gets and sets date and time and converts time between timeval and timeval64
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The gettimeofday(), ftime(), and settimeofday() functions get and set the time and timezone information stored in the kernel. The gettimeofday() function gets the current time, expressed in seconds an... |
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setuid(2) -- Set the user ID
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The setuid() function sets the real user ID, effective user ID, and the saved set user ID to the user_id parameter. To change the real user ID, the effective user ID, and the saved set user ID, the ca... |
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shmat(2) -- Attach a shared memory region
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The shmat() function attaches the shared memory region identified by the shmid parameter to the virtual address space of the calling process. For the addr parameter, the process can specify either an ... |
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shmctl(2) -- Perform shared memory control operations
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The shmctl() function provides a variety of shared memory control operations as specified by the cmd parameter. The cmd values and their operations are as follows: Queries the shared memory region ID ... |
