The following list contains a list of all commands available within Telehack. The table lists the virtual memory address to each of the commands (where the command can be found in the main telehack's 6502 RAM), the name of the command, it's type as being stored within Telehack VM, and it's description.
| Memory address | Name of the command | Length of command name | Description |
| 6672721 | ? | 0x01 | Lists possible commands without descriptions |
| 5033742 | ac | 0x02 | Lookup an areacode or an areacode-prefix. AC <NPA>-<NXX> |
| - | admin | 0x05 | Unknown. Not authorized for regular users |
| 2525361 | basic | 0x05 | Start the Dartmouth TeleBASIC interpreter |
| 6321522 | baud | 0x04 | Set baud rate (direct telnet only) |
| 2255621 | cal | 0x03 | Print a calendar. CAL <YEAR> to print a calendar for a certain year. |
| 6211564 | calc | 0x04 | Start the calculator |
| 2364523 | call | 0x04 | Invoke the system monitor to jump to a memory address |
| 0702640 | ching | 0x05 | The Book of Changes |
| 3766001 | clear | 0x05 | Clear screen |
| - | cls | 0x03 | Clear screen |
| 2702364 | cmdstat | 0x07 | A statistical display of commands ran by the users |
| 1310017 | cowsay | 0x06 | Configurable speaking cow. COWSAY /LIST for options |
| 1253135 | daytime | 0x07 | Print day and time |
| - | df | 0x02 | Show disk usage |
| 5212555 | dial | 0x04 | Connect to a telephone number with modem. „dial /log” show modem connection log |
| 1710163 | dir | 0x03 | List files |
| 2610461 | eliza | 0x05 | Converse with an AI psychotherapist |
| 0477762 | exit | 0x04 | Terminate and return to previous shell or logout |
| 4457564 | factor | 0x06 | Print the prime factors of a number |
| 3537203 | fds | 0x03 | List of file descriptors. Not authorized for regular users |
| 6525611 | figlet | 0x06 | Make large letters out of ordinary text |
| 0764505 | files | 0x05 | Lists files using a BBS-like menu system |
| 6617747 | finger | 0x06 |
Show users on current system. FINGER <USER> to shows inforation about a user, FINGER @<HOST> to show users logged into a host |
| 0107261 | fnord | 0x05 | Generate a fnord |
| - | fortune | 0x07 | Generate a quote from the 'fortune' database |
| - | ftp | 0x03 | Transfer programs between hosts |
| 0361653 | geoip | 0x05 | Show location and ISP of an IP address. GEOIP <IP> |
| 7445512 | halt | 0x04 | Halt the CPU |
| 2727545 | help | 0x04 | Show a list of available commands with descriptions. HELP /ALL shows all commands |
| 3143410 | hostname | 0x08 | Print the hostname of the currently logged on system |
| 3577605 | hosts | 0x05 | Show list of major network hosts. HOSTS /ALL for all network hosts, HOSTS /BBS for bulletin board systems, HOSTS /SEARCH=S to search for hosts |
| 4442155 | ipaddr | 0x06 | Show current IP address |
| 7227742 | joke | 0x04 | Show random joke from unified joke database |
| 5273523 | kill | 0x04 | Kill local process KILL <PID> |
| - | killuser | 0x08 | Kill user or port. KILLUSER <USER or PORT> |
| - | l | 0x01 | Displays the list of files in Unix format |
| - | last | 0x04 | Show the list of last logins for the server the user is logged in |
| 2460052 | link | 0x04 | Link the output from another user or port to this TTY. LINK <USER or PORT> |
| 4246734 | log | 0x03 | Show user account log |
| - | ls | 0x02 | List files |
| 2065271 | 0x04 | Electronic mail system | |
| - | more | 0x04 | File perusal filter for paging viewing. MORE <FILE> |
| - | motd | 0x04 | Display the message of the day seen at login |
| 0436226 | netstat | 0x07 | Show connected hosts |
| 3620774 | octopus | 0x07 | Octal/hex/binary/ascii key dumper |
| 3076537 | password | 0x08 | Change password |
| 7336556 | phoon | 0x05 | Show phase of the moon |
| 7740737 | ping | 0x04 | Test a host for availablility. PING <HOST> |
| - | ps | 0x02 | Display the running processes |
| 2425152 | ptycon | 0x06 | Console administration |
| 6056462 | quest | 0x05 | Start a hacker quest |
| 3313443 | rain | 0x04 | Animated raindrops display |
| - | reboot | 0x06 | Reboot the running host |
| 7122061 | relay | 0x05 | Enter relay chat system. If relay is backgrounded, RELAY /<COMMAND> to execute relay command and RELAY <MESSAGE> to say message. ^R (Ctrl+R) for quick relay. |
| 5356534 | rem | 0x03 | Ignore input until ^C (Ctrl+C) |
| - | remps | 0x05 | Remote server process listing. REMPS <HOST> |
| - | rm | 0x02 | Delete a file. RM <FILE> |
| 6645447 | rlogin | 0x06 | Login to a host using your current authentication data instantly. RLOGIN <HOST> |
| 2060645 | run | 0x03 | Run any executable/gam/bas file as user. Limitations apply to guest accounts! |
| 4646312 | score | 0x05 | Zrun score leaderboard |
| 6270445 | send | 0x04 | Send message to another user. SEND /(UN)BLOCK <USER> to block a user |
| - | setmotd | 0x07 | Set the message of the day banner for the host |
| - | set | 0x03 | Type SET ? for a list of options |
| - | show | 0x04 | Type SHOW ? for a list of options |
| - | sleep | 0x05 | Wait a certain number of seconds before returing to the previous prompt. |
| 3420755 | startcpu | 0x08 | Start CPU |
| 2556533 | starwars | 0x08 | Show an ASCIIMATION Starwars movie |
| 1175632 | status | 0x06 | Set status message for systat/finger |
| 7430551 | stty | 0x04 | Print terminal attributes. STTY /ANSI or STTY/DUMP to set terminal mode |
| - | su | 0x02 | Switch to root |
| - | syslog | 0x06 | Print system log |
| 4235466 | systat | 0x06 | Show users on current system |
| 5762544 | talk | 0x04 | Interactive chat with another user. TALK <USER or PORT> |
| 7104003 | telnet | 0x06 | Connect to a remote NETSTAT host for login (try guest). TELNET <HOST> |
| 7363052 | timers | 0x06 | Lists the Perl scripts running on the real host of Telehack for providing the functionalities currently used in the virtual Telehack for a user. |
| 6437242 | traceroute | 0x0A | Show path to a host. TRACEROUTE <HOST> |
| 3146531 | type | 0x04 | Print contents of a file. TYPE <FILE> |
| 7335662 | units | 0x05 | Unit conversion |
| 6327631 | uptime | 0x06 | Time telehack has been up since last boot |
| 4430164 | usenet | 0x06 | Usenet archive circa 1981-1999 |
| 7173233 | users | 0x05 | Show user table |
| 6064170 | uumap | 0x05 | Show UUCP map entry for a host. UUMAP <HOST> |
| 1722027 | uupath | 0x06 | Show path to host. UUPATH <HOST> |
| 4072661 | uuplot | 0x06 | Plot UUPATH to a host |
| 0561676 | vmsize | 0x06 | The size of the virtual memories used within the real Telehack system |
| - | wall | 0x04 | Broadcast message to every user on the host as root. WALL <MESSAGE> |
| 6233033 | whoami | 0x06 | Display the the current username |
| 1266770 | xjoke | 0x05 | Show an animated joke |
| - | xyzzy | 0x05 | Starts "The Interactive Original Adventure" |
| 6753070 | zrun | 0x04 | Show list of available Z-code games. ZRUN <GAME> |
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