C-Kermit 8.0 Specifications

C-Kermit 8.0 is available for:

• Practically every known variety and version of Unix
• VMS 4.7 and above on VAX or Alpha

Earlier releases remain available for:

• Data General AOS/VS
• Stratus VOS
• Microware OS-9
• QNX 4.21 and above
• The Commodore Amiga
• The Atari ST
• Apollo Aegis

• Unix-style command-line options
• Interactive commands with:
  • Keyword and filename completion and lists on demand
  • Per-field context-sensitive help on demand
  • HELP text for each command and function
  • Command recall
• Command files
• Command macros (procedures)
• Programmed execution via command files and/or macros.

• CD, PWD, DATE, RUN, EXEC, ...
• DIRECTORY command with numerous file-selection and listing options.
• TYPE, MORE, HEAD, TAIL, GREP commands with numerous options
• COPY and RENAME commands with numerous options.
• DELETE and PURGE commands with numerous options.
• MKDIR and RMDIR commands.
• CHMOD, SET ROOT, ...
• Almost everything a shell does except job control.

• Direct serial connections
• Dialed serial connections with automatic dialing
• Dialed connections via RFC 2217 Telnet modem server
• TCP/IP Telnet (Unix, VMS, AOS/VS, VOS, OS-9) and Rlogin (Unix, VMS) with optional Kerberos, SSL/TLS, and/or SRP security (Unix only)
• SSL/TLS
• Built-in FTP client with optional security.
• Built-in HTTP 1.1 client with optional security.
• SSH (via external client)
• X.25 (SunOS, Solaris, AIX, VOS)
• LAT (VMS only)
• External communication program interface (for tn3270, tn5250, ...) (Unix only)
• Dialing, Network, and Services directories for easy connections

• Built-in support for the following modems:
  • AT&T Dataport
  • AT&T Digital Terminal Data Module
  • AT&T ISN Network
  • AT&T Keepintouch Card Modem.
  • AT&T Secure Data STU III 1900 and 1910
  • AT&T switched-network modems
  • Atlas Newcom ixfC 33.6
  • Best Data Fax Modem
  • Boca modems
  • CCITT / ITU-T V.25bis Command Set
  • CCITT / ITU-T V.250 (V.25ter) Command Set
  • Cardinal V.34
  • Cermetek Info-Mate 212 A
  • Compaq Data+Fax Modem
  • Condor CDS 220 2400b
  • Conexant
  • DEC DF03-AC
  • DEC DF100-series
  • DEC DF200-series
  • Diamond SupraSonic 288V+
  • Digitel DT-22 CCITT variant
  • Fujitsu Fax/Modem Adapter
  • Gateway 2000 Telepath
  • GeneralDataComm 212A/ED
  • Hayes 1200, 2400, and compatible modems
  • Hayes Accura, Optima, and Ultra
  • IBM Mwave
  • Intel Fastalk and Lifestyle
  • Lucent Venus chipset
  • MaxTech modems
  • Megahertz AT&T V.34
  • Megahertz X-Jack
  • MicroLink 14.4, 28.8, 33.6, 56K
  • MicroLink V.250
  • Microcom DeskPorte FAST ES 28.8
  • Microcom modems in native SX mode
  • Microlink modems
  • Motorola Codex 326X Series
  • Motorola FasTalk II or Lifestyle
  • Motorola Montana
  • Multitech MT5634ZPX
  • Multitech modems
  • PCTel V.90 chipset
  • Penril modems
  • Practical Peripherals modems
  • QuickComm Spirit II
  • Racal Vadic VA4492E
  • Rockwell V.32
  • Rockwell V.32bis
  • Rockwell V.34 Data/Fax
  • Rockwell V.90
  • Rolm 8000, 9000, 9751 CBX DCM
  • Rolm data phone with AT command set
  • Supra Express V.90
  • Supra modems
  • Telebit modems, all models
  • USR Courier and Sportster
  • Ven-Tel modems
  • Zoltrix modems
  • Zoom modems
  • ZyXEL modems
• Easy configuration of additional modem types
• Dialing:
  • Dialing by directly connected modem or via reverse LAT or TELNET terminal servers, including RFC 2217 Telnet Com Port Control.
  • Intelligent dialing directory
    • Can consist of multiple distributed files
    • Travels well: understands country codes, area codes, PBXs, etc.
    • Unlimited alternative entries for same service with "cheapest-first" dialing
  • Automatic redialing
  • Multistage dialing
  • Credit-card dialing
  • Dialing beepers and numeric pagers
  • Dialing alphanumeric pagers and sending text messages
  • Answering incoming modem calls
  • Flexible configuration of additional modem types
  • PPP dialing (Unix only)

• Internet Kermit Service Daemon (client and server)
• Kerberos, SRP, and SSL/TLS security
• TCP protocol controls
• TELNET, RLOGIN, FTP, and HTTP 1.1 Clients built in:
  • Numerous TELNET protocol and policy controls
  • Automatic TELNET and RLOGIN screen-size negotiation
  • Automatic TELNET echo and binary-mode negotiation
  • Connections to non-TELNET ports allowed
  • Configurability as an SSH system on the server side
  • Front end for external SSH client
  • Scripting, file transfer, character-set translation on TELNET, SSH, FTP, and RLOGIN
  • Scripted HTTP operations
  • TELNET and FTP protocol debugging
• Network connections directory for easy access
• Incoming TCP/IP connections for file transfer and management, script execution, chat.

• Terminal emulation is not done by C-Kermit; rather, C-Kermit provides a semitransparent (totally transparent upon request) communications pipe between the remote host or service and your terminal, emulator, emulation window, or console screen.
• Selection of echo, 8-vs-7-bit, shift-in/shift-out, and newline modes.
• Idle timeout control / actions.
• Session logging and debugging.
• Character-set translation.
• Automatic recognition of Kermit and Zmodem file-transfer packets.

• The fastest and most advanced implementation of the Kermit protocol available anywhere:
  • Streaming
  • Long packets
  • Sliding windows with selective retransmission
  • Adaptive packet lengths and timeouts
  • Run-length compression
  • Control-character prefixing and unprefixing
  • Locking shifts for efficient transfer of 8-bit data on 7-bit connections
• Kermit protocol features:
  • Automatic per-file text/binary mode switching
  • Send or receive text or binary files singly or in groups
  • Cross-platform recursive directory-tree transfers
  • File-transfer interruption
  • Text-file record-format conversion
  • Text-file character-set translation
  • Automatic peer recognition
  • Automatic directory creation
  • Preservation of file timestamps and permissions
  • Numerous filename collision handling options, including "update"
  • File transfer recovery from the point of failure
  • File attribute transmission
  • Logging of file transfers
  • Numerous controls for tuning and troubleshooting
• Support for external protocols such as X-, Y-, and ZMODEM.
• "Unguarded" text-file file capture and transmission.

• Both clear-text and secure connections supported.
• Kerberos, SSL/TLS, and SRP security supported.
• Active and Passive mode supported.
• Passive mode used by default for firewalls.
• Automatic per-file text/binary mode switching.
• Character-set conversion, including Unicode.
• Atomic file movement.
• Flexible file selection (patterns, lists, size, date, size, ...)
• Update and recovery modes.
• Preservation of file permissions when uploading.
• Preservation of file dates when downloading.
• Recursive directory-tree uploads.
• Recursive directory-tree downloads when server permits.
• File collision options.
• Full scripting and automation, as well as command-line and URL control.

In which all actions are controlled by the client... The server can be configured (optionally) to require login and password, and all services and access can be enabled or disabled individually.

• Transfer files
• Change/Query directory
• Change/Query settings
• Change/Query variables
• Redirect query results
• Get directory listings
• Delete, rename, copy files
• Execute host commands
• Send files as mail
• Send files for printing

• Can be done in terminal mode and as part of file transfer
• West European, East Europen, Greek, Cyrillic, Hebrew, and Japanese character-sets supported
• Cyrillic/Roman transliteration
• Language-specific conversions
• Unicode
• CLICK HERE for a list of C-Kermit's character sets

• Learned scripts (automatic script recording, terminal connections only)
• "kerbang" scripts can be run just like shell scripts (Unix only)
• Macros and command files (scripts) with positional or keyword parameters
• User-defined variables
• Built-in variables
• Environment variables
• Arrays
• Associative arrays
• Ability to construct new data types.
• Built-in character, string, arithmetic, file-info, and other functions
• File open, read/write/seek/append, close
• Integer and floating-point arithmetic
• Date-time arithmetic and timezone conversion
• User-defined functions
• Lisp-like S-Expressions
• Block structure with local automatic variables and arrays
• Nestable FOR loops, WHILE loops, SWITCH, IF-ELSE
• Complex compound IF / WHILE conditions
• User-defined Ctrl-C (terminal interruption) trap
• Recursion
• Transport-independent communications input / output
• Search communications input for multiple simultaneous targets or patterns
• Numerous login and other sample scripts provided
• Scripts are portable to hundreds of different platforms
• Scripts are portable between serial and network connections

• The Digital Press book, Using C-Kermit (622 pages, current with C-Kermit 6.0).
• The C-Kermit 7.0 Update Notes.
• The C-Kermit 8.0 Update Notes.
• The C-Kermit Tutorial (mainly for Unix).
• The C-Kermit Script library.
• The Kermit Security Reference.
• Numerous online references listed HERE

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