compgen -c #In Unix
help | more #In Windows
To view a file, use the command -
cat filename
//The syntax to combine 2 files is
cat file1 file2 > newfilename
For renaming file:
mv filename newfilename
Directories can be created on a Linux operating system using the following command:
mkdir directoryname
To remove a directory (file), use the command -
rmdir directoryname
The 'mv' (move) command can also be used for renaming directories. Use the below-given format:
mv directoryname newdirectoryname