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  2. Process identifier - Wikipedia

    en.wikipedia.org/wiki/Process_identifier

    In some APIs, PID 0 is also used as a special value that always refers to the calling thread, process, or process group. [3] [4] Process ID 1 is usually the init process primarily responsible for starting and shutting down the system. Originally, process ID 1 was not specifically reserved for init by any technical measures: it simply had this ...

  3. pstree - Wikipedia

    en.wikipedia.org/wiki/Pstree

    pstree output in FreeBSD. pstree is a Linux command that shows the running processes as a tree [1] [2] [3].It is used as a more visual alternative to the ps command. The root of the tree is either init or the process with the given pid.

  4. Process control block - Wikipedia

    en.wikipedia.org/wiki/Process_control_block

    A process control block (PCB), also sometimes called a process descriptor, is a data structure used by a computer operating system to store all the information about a process. When a process is created (initialized or installed), the operating system creates a corresponding process control block, which specifies and tracks the process state (i ...

  5. netstat - Wikipedia

    en.wikipedia.org/wiki/Netstat

    Displays active TCP connections and includes the process id (PID) for each connection. You can find the application based on the PID in the Processes tab in Windows Task Manager. This parameter can be combined with -a, -n, and -p. This parameter is available on Microsoft Windows XP, Windows Server 2003, and Windows 2000 if a hotfix is applied ...

  6. Proportional–integral–derivative controller - Wikipedia

    en.wikipedia.org/wiki/Proportional–integral...

    In many cases, the manipulated variable output by the PID controller is a dimensionless fraction between 0 and 100% of some maximum possible value, and the translation into real units (such as pumping rate or watts of heater power) is outside the PID controller. The process variable, however, is in dimensioned units such as temperature.

  7. Program-specific information - Wikipedia

    en.wikipedia.org/wiki/Program-specific_information

    Each of the programs listed in PAT has an associated value of PID for its PMT. The value 0x0000 for program_number is reserved to specify the PID where to look for network information table. If such a program is not present in PAT the default PID value (0x0010) shall be used for NIT. TS packets containing PAT information always have PID 0x0000.

  8. No 'rizz': School accused of banning Gen Alpha slang

    www.aol.com/no-rizz-school-accused-banning...

    An Iowa school is catching flak for having no “rizz.”. A teacher in a school district near the Nebraska border is being accused of banning the word short for charisma along with over two dozen ...

  9. procfs - Wikipedia

    en.wikipedia.org/wiki/Procfs

    /proc/PID/mem, a binary image representing the process's virtual memory, can only be accessed by a ptrace'ing process. /proc/PID/root, a symlink to the root path as seen by the process. For most processes this will be a link to / unless the process is running in a chroot jail. /proc/PID/status contains basic information about a process ...