how to list all commands in linux code example

Example 1: list commands in shell

compgen -c	#In Unix
help | more	#In Windows

Example 2: linux commands list

The 'mv' (move) command can also be used for renaming directories. Use the below-given format:
mv directoryname newdirectoryname

Example 3: linux commands list

//The syntax to combine 2 files is
cat file1 file2 > newfilename