Tag: utilities

MIT6.S081Lab1: Xv6 and Unix utilities

MIT6.S081 Lab1: Xv6 and Unix utilities Official documentation 一.Boot xv6 How to successfully boot xv6 can be seen in the previous article MIT6.S081 Experimental Environment Construction, there is just one more step, execute it in the clone folder git checkout util Just switch to the util branch. 二.sleep Write a program in user/sleep.c to complete […]

[WorleyUtilities file under Unity HDRP rendering pipeline, “Hash” function]

Unity HDRP built-in file WorleyUtilities The WorleyUtilities file path is as follows: The file code is as follows Then translate it into ShaderLab: Archive: The WorleyUtilities file path is as follows: D:…\Library\PackageCache\[email protected]\Runtime\Lighting\VolumetricClouds\WorleyUtilities.hlsl The file code is as follows #ifndef WORLEY_UTILITIES_H #define WORLEY_UTILITIES_H // Implementation inspired from https://www.shadertoy.com/view/3dVXDc // Hash by David_Hoskins #defineUI0 1597334673U #defineUI1 3812015801U […]

Lab 1: Summary of Unix utilities

This experiment mainly learned some commonly used system calls. Lab 1: Unix utilities Boot xv6 (easy) git clone, switch branches, qemu. Just proceed as required. $ git clone git://g.csail.mit.edu/xv6-labs-2020 $ cd xv6-labs-2020 $ git checkout util $ makeqemu sleep (easy) #include “kernel/types.h” #include “kernel/stat.h” #include “user/user.h” int main(int argc,char *argv[]) { if(argc < 2) { […]

MIT6.S081 Lab1 Xv6 and Unix utilities (updated)

Domestic OS courses may only teach you the concepts of operating systems on the surface. It is like playing a simulator game and just watching others play. After all, you will still lose your way in the world of OS. This article was originally published on my personal blog MIT6.S081 lab1 Q1.sleep (easy) Implement the […]

Greenplum Utilities-gpinitsystem

Note: This article is translated from https://docs.vmware.com/en/VMware-Greenplum/7/greenplum-database/utility_guide-ref-gpinitsystem.html The gpinitsystem tool initializes the Greenplum Database system using the configuration parameters specified in the gpinitsystem_config file. Grammar gpinitsystem -c <cluster_configuration_file> [-h <hostfile_gpinitsystem>] [-B <parallel_processes>] [-p <postgresql_conf_param_file>] [-s <standby_coordinator_host> [-P <standby_coordinator_port>] [-S <standby_coordinator_datadir> | –standby_datadir=<standby_coordinator_datadir>]] [-m <number> | –max_connections=number>] [-b <size> | –shared_buffers=<size>] [-n <locale> | –locale=<locale>] [–lc-collate=<locale>] […]

6.s081/6.1810 (Fall 2022) Lab1: Utilities

Article directory foreword other chapters reference link 1. Boot xv6 (easy) 2. sleep (easy) 3. pingpong (easy) 4. primes (moderate)/(hard) 5. find (moderate) 6. xargs (moderate) final test Foreword This Lab is a warm-up Lab, let’s go~ Other chapters Environment build Lab1: Utilities Lab2: System calls Lab3: Page tables Lab4: Traps Lab5: Copy-on-Write Fork for […]

MIT6.S081 Lab1:Xv6 and Unix utilities

Directory Foreword: 1.1: Start xv6 (Easy) 1.2: sleep (Easy) 1.2.1: sleep.c 1.2.2: makefiles 1.3: pingpong (Easy) 1.4: primes (Moderate/Hard) 1.5: find (Moderate) 1.6: xargs (Moderate) Foreword: This experiment is the first experiment of the 2021 version of MIT6.S08. It is mainly to build the environment for subsequent experiments and implement a few simple experiments. Most […]

MIT-6.1810Lab: Xv6 and Unix utilities

Article directory Lab: Xv6 and Unix utilities sleep (easy) pingpong (easy) primes (moderate)/(hard) find (moderate) xargs (moderate) Problems and Notes Lab: Xv6 and Unix utilities Boot xv6: The initial environment is set up, which can connect to qemu and run the written command line tools. sleep: implement the user command sleep, which can accept command […]