## Introduction
As a system administrator, there are several useful commands in MacOS that can make your work easier. Here is a detailed list of some of these commands:
## Command List
1. `top`: This command displays the processes running on your MacOS machine and their resource usage.
2. `ps`: This command is used to display information about active processes on your MacOS machine, including their process ID (PID) and resource usage.
3. `kill`: This command is used to terminate a process by its PID or process name.
4. `netstat`: This command displays network connections, routing tables, and interface statistics on your MacOS machine.
5. `ifconfig`: This command displays network interface configuration information on your MacOS machine.
6. `ping`: This command is used to test network connectivity by sending ICMP echo request packets to a target host.
7. `traceroute`: This command is used to display the network path and transit delays of packets across an Internet Protocol (IP) network.
8. `ssh`: This command is used to establish a secure shell connection to a remote MacOS machine
9. `scp`: This command is used to securely copy files between MacOS machines over a network.
10. `rsync`: This command is used to synchronize files and directories between MacOS machines over a network.
# Désactiver sip Macbook
Demarrer en recovery : terminal
csrutil disable: reboot
```
#Réactiver
csrutil enable
```
# Droits application Macbook
Pour les utilisateurs de Sierra qui n'ont plus l'option "Autoriser les Applications téléchargées" de "N'importe où", vous pouvez suivre ces étapes :
1. Fermez Préférences Système si elle est ouverte.
2. Ouvrez un terminal.
3. Tapez :
sudo spctl --master-disable
1. Retournez dans Préférences Système => Sécurité et confidentialité : l'option "N'importe où" devrait être disponible.
# Copie dossier même lecteur réseau sans erreur :
rsync --ignore-errors -rthP <source path> <destination path>
Install macos El Capitan:
Couper internet et :
Sudo date 1116211618
