**HACTRN Survival Guide**

HACTRN (pronounced “hack tran”) is the DDT debugger and also login shell.  Here a summary of useful commands for HACTRN in comparison with common UNIX commands.  Note that to get a HACTRN on an idle terminal, you first have to type ''CTRL-Z''.

Everywhere ''$'' is written, it means typing ''Escape''.

^UNIX ^DDT ^Colon command^
|login: user | user''$''u | :login user | 
| logout | ''$''''$''u | :logout | 
| TERM=vt52 |  | :tctyp vt52 | 
| TERM=vt100 |  | :crtsty vt100 | 
| ls | ''CTRL-F'' | :listf | 
| ls dir | dir''CTRL-F''  | :listf dir | 
| ls / | ''CTRL-R'' m.f.d. (file) | :print m.f.d. (file) | 
| ls *.foo | ''CTRL-R'' dir: second foo | :print dir: second foo | 
| more file | ''CTRL-R'' file | :print file |
| mkdir dir | ''CTRL-R'' dir;..new. (udir) | :print dir;..new. (udir) |
| cd dir | dir''$''''$''''CTRL-S'' | :cwd dir |
| cp f1 f2 | ''$''''CTRL-R'' f1,f2 | :copy f1,f2 |
| rm file | ''CTRL-O'' file | :delete file |
| ln f1 f2 | ''$''''CTRL-O'' f1,f2 | :link f1,f2 |
| mv f1 f2 | ''$''''$''''CTRL-O'' f1,f2 | :rename f1,f2 |
| mv file dir | :move file,dir |
| emacs | emacs''CTRL-K'' | :emacs |
| ps | ''$''''$''''v'' | :listj |
| kill pid | pid''$''''CTRL-X'' | :job pid :kill |
| sudo -u u cmd | u''$''''CTRL-S'' cmd |
| top  | peek''CTRL-H'' | :peek |
| ''CTRL-U'' | ''CTRL-D'' |  
| ''CTRL-C'' | ''CTRL-G'' | 
| ''CTRL-Z'' | ''CTRL-Z'' | 
| ''CTRL-D'' | ''CTRL-C'' | 
| fg | ''$''''P'' | :continue | 
| bg | ''CTRL-P'' | :proceed |