**# Show current DIR like PWD:**

<code>SHOW DEFAULT</code>

**# Change DIR [000000] is the root of system**

<code>SET DEFAULT DKA0:[directory]</code>

**# Create directory**
<code>CREATE/DIRECTORY DUA0:[MYDIR]</code>

DIR & SUB \\
<code>CREATE/DIRECTORY DUA0:[MYDIR.SUBDIR]</code>


**# List directory**

<code>DIR</code>

**# Run Basic:**

<code>BASIC</code>
<code>CTRL-Z to exit</code>

To save a program (Do this from within the basic interpreter)
<code>SAVE PROGRAM.BAS</code>

To load a program (Do this from within the basic interpreter)
<code>OLD PROGRAM.BAS</code>

**# Programming** \\

Fix a file copied in from a modern computer \\
<code>$ SET FILE /ATTRIBUTES=(RFM:STMLF) filename</code>
<code>EDIT /EDT filename.c</code>
<code>CC FILENAME.C</code>
<code>LINK FILENAME</code>
<code>RUN FILENAME.EXE</code>

Enter a simple helloworld:

<code>
CREATE HELLO.C
#include <stdio.h>

int main() {
    printf("Hello, VAX!\n");
    return 0;
}
</code>

For fortran

<code>FORTRAN FORTRANFILE.FOR</code>

Link and run same as c

**# Games**

<code>ADVENTURE</code>
<code>NETHACK</code>

More to come....