8 terms
cgroups, or Linux control groups, organize processes into a hierarchy and limit, account for and isolate their CPU, memory and I/O usage.
CPU affinity in Linux is the set of CPU cores on which the scheduler may run a process or thread, used to improve cache locality and…
Cron is the Linux daemon that starts commands automatically at scheduled times, read from crontab files written in a five-field time and date format.
A Linux namespace is a kernel feature that gives a group of processes its own isolated view of a global resource such as PIDs, mounts or…
Nice is the Linux process attribute and command that adjusts how much CPU time the scheduler gives a process, from -20 (favored) to 19 (lowest).
The OOM killer is the Linux kernel mechanism that ends a process with SIGKILL when the system or a cgroup runs out of memory it can…
Process priority in Linux is the value the kernel scheduler uses to decide which runnable process gets CPU time first and how large a share it…
A process tree in Linux is the hierarchy of running processes linked by parent and child relationships, rooted in PID 1 and shown by tools such…
Terms explained in another topic that belong here too.
A daemon is a long-running background process on Unix-like servers that runs without a terminal and provides a service such as SSH,…