## Linux

### Pohyb po disku
* ls , ls -1 , ls -al
* cd, cd -, cd ~, pwd
* mkdir | mkdir -p
* touch | chmod | chown
* man | info (man stranky k prikazum + knihovnam)

### Uzivatele a dalsi..
* w, who, id
* su, sudo
* usermod, passwd
* adduser, deluser, addgroup, delgroup

### Sitovani
* route, ifconfig
* ip, ip link, ip address, ip route
* iptables
* ping, traceroute
* whois, host, dig
* netstat, netstat -tupln
* ss, ss -l -t -n, ss -4 state listening
* lsof -i :port, lsof -p pid
* arp
* tcpdump, tcpdump -i eth0, tcpdump host 1.1.1.1, tcpdump src 1.1.1.1, tcpdump port 3389
* nmap, nmap -sn 10.0.0.0/24, sudo nmap 10.0.0.50 -O
* ssh, telnet
* nc
* curl, wget

### System
* top, htop
* free

### Prace se soubory
* find
* less
* grep | grep -R
* cat, sort, uniq, cut
* nano, vim
* sed, awk
* df, du

## Windows

****** cmd

* ipconfig
* ipconfig /all
* netstat
* ping
* tracert
* ftp

* route
* route PRINT
* route ADD 172.16.0.5 MASK 255.240.0.0 172.16.0.1 METRIC 5 IF 2
* route DELETE 172.16.0.5

* netsh interface ipv4 show interfaces
* netsh interface ipv4 show config

* netsh interface ipv4 set address name="..." source=static 172.16.0.4 255.240.0.0 172.16.0.1
* netsh interface ipv4 add address name="..." 172.16.0.4 255.240.0.0 SkipAsSource=True
* netsh interface ipv4 set address name="Ethernet" source=dhcp

* nslookup

* ssh

****** PowerShell:

* Get-NetIPAddress
* Get-NetIPAddress | ft IPAddress, InterfaceAlias, SkipAsSource [, PrefixOrigin, ...]
* New-NetIPAddress –IPAddress 172.16.0.4 –PrefixLength 12 –InterfaceAlias "Ethernet" –SkipAsSource $True

* Test-NetConnection -ComputerName "www.seznam.cz"
* Test-NetConnection "www.google.com" -Port 80
* Test-NetConnection "www.google.com" -Port 8077
* Test-NetConnection "www.google.com" -traceroute

* Get-NetTCPConnection
* Get-NetTCPConnection -State Listen

* Get-DnsClient
* Clear-DnsClientCache
* Resolve-DnsName -Name "www.google.com" -Type AAAA
* Resolve-DnsName -Name "seznam.cz" -Type MX