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A sleep command is also part of ASCII's MSX-DOS2 Tools for MSX-DOS version 2. [8] In PowerShell, sleep is a predefined command alias for the Start-Sleep cmdlet which serves the same purpose. [9] Microsoft also provides a sleep resource kit tool for Windows which can be used in batch files or the command prompt to pause the execution and wait ...
disksleep – disk spin-down timer in minutes, 0 to disable disk sleep; sleep – system sleep timer in minutes, 0 to disable sleep; womp - wake on "magic" Ethernet packet, 1 to enable or 0 to disable. Note this setting only appears when running "pmset -g" if the device is plugged into a power source.
A typical sleep system call takes a time value as a parameter, specifying the minimum amount of time that the process is to sleep before resuming execution. The parameter typically specifies seconds, although some operating systems provide finer resolution, such as milliseconds or microseconds.
The SIGSTOP signal instructs the operating system to stop a process for later resumption. SIGSYS The SIGSYS signal is sent to a process when it passes a bad argument to a system call. In practice, this kind of signal is rarely encountered since applications rely on libraries (e.g. libc) to make the call for them.
When it comes to saving energy, I think I do pretty well. My wife and I both drive high-MPG vehicles, we keep our thermostat at a relatively chilly 62°F during the daytime hours in winter, and we ...
Pause execution of the current job Ctrl+Z: Insert the next character typed verbatim Ctrl+V: Autocomplete command/file name Tab ↹ (enabled by default in Windows XP and later) Tab ↹: Tab ↹ (usually once) Esc (usually twice) Paste contents of clipboard at cursor: Alt+Space then E [notes 10] then P: Ctrl+V: ⇧ Shift+Ins: Scroll window up
Most operating systems (including Solaris, Mac OS X and FreeBSD) use a hybrid approach called "adaptive mutex". The idea is to use a spinlock when trying to access a resource locked by a currently-running thread, but to sleep if the thread is not currently running. (The latter is always the case on single-processor systems.) [8]
The parent process then resumes execution. [1] Modern operating systems also provide system calls that allow a process's thread to create other threads and wait for them to terminate ("join" them) in a similar fashion. An operating system may provide variations of the wait call that allow a process to wait for any of its child processes to exit ...