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REXX

Course Overview


Xpertised Offers Advanced and Personalized Instructor Led Online Classroom training on REXX which gives you the opportunity to interact with a REXX instructor and help you enhance yourself to meet the demands of the industry.

Learn from our instructors from the convenience of your home or office. Interact and learn live with trainers and other participants.

Course Content


  • The benefits of using REXX 
  • Classic REXX, SAA REXX, and ANSI REXX 
  • Literal strings
  • Numbers 
  • Concatenation operators 
  • Variables 
  • REXX special variables: RC, RESULT, and SIGL 
  • Compound symbols 
  • Constant symbols 
  • Arithmetic operators 
  • Comparative operators 
  • Transitivity 
  • NUMERIC instruction 
  • Clauses 
  • Logical operators 
  • Operator precedence 
  • Labels 
  • SIGNAL instruction 
  • CALL instruction 
  • Function call 
  • Arguments string
  • Running a program under TSO/E 
  • Running a program under CMS 
  • Running a program on a PC 
  • Recursivity 
  • Internal routines, built-in functions, and external routines 
  • IF construct 
  • NOP instruction 
  • Simple DO group 
  • Simple repetitive DO group 
  • Controlled repetitive DO group 
  • Complicated DO group 
  • LEAVE instruction 
  • ITERATE instruction 
  • SELECT group 
  • Commands 
  • ADDRESS instruction 
  • Host command environments 
  • TRACE instruction 
  • TSO/E REXX commands 
  • INTERPRET instruction 
  • Character built-in functions
  • Arithmetic built-in functions 
  • Writing your own mathematical functions 
  • Exception handling 
  • State built-in functions 
  • Interactive debugging 
  • Fixed-point numbers 
  • Conversion built-in functions 
  • I/O built-in functions 
  • Miscellaneous built-in functions 
  • TSO/E and VM/CMS external functions 
  • DROP instruction 
  • UPPER instruction 
  • PROCEDURE instruction 
  • EXIT instruction 
  • PARSE instruction 
  • Running a program in USS (the UNIX shell under MVS-OS/390-z/OS) 
  • Immediate commands 
  • Terminal read 
  • External data queue 
  • ARG instruction 
  • PULL instruction 
  • PUSH instruction 
  • External data queue buffers 
  • VM/CMS and TSO/E REXX EXECIO command 
  • SAY instruction 
  • Extended MCS console session 
  • VM/CMS and TSO/E external functions 
  • REXX in TSO/E and in non-TSO/E address spaces 
  • Foreground and background processing

Customer Reviews


Thanks to Xpertised and the tutor who walked me through all the topics with Practical exposure which is helping me in my current project.
-Waseem

Course was quite helpful in terms of understanding of concepts and practicality. Its really a very friendly environment to learn. The timing were mutually chosen, as we both are working professional. I am quite satisfied with the course.
-Tanmoy

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