Password… the weakest link: the human factor

May 7, 2017 Rui Miguel Feio

For many years, passwords have been the preferred method for users to authenticate and gain access to computer systems. It’s no surprise then that passwords should be kept secret. From a security perspective, passwords should be memorable for users, but also have a certain level of complexity to prevent hackers […]

What Are Mainframes?

April 8, 2017 Rui Miguel Feio

Although many people have only heard of mainframes on movies or even believe that mainframes are an obsolete dying technology, the truth is, today mainframes are still a vital piece of technology in our society. To this date, 96 out of the world’s top 100 banks and 23 out of […]

How to Copy Data Between z/OS and USS via Batch Job

February 14, 2017 Rui Miguel Feio

Ever wondered how you can transfer data between z/OS and Unix System Services? Well, one of the ways you can do this is via batch job. //COPYFILE EXEC PGM=IKJEFT01 //IN DD PATH=’/tmp/file.txt’ //OUT DD DISP=SHR,DSN=USERA.USSFILE.EXAMPLE(FILEUSS) //SYSTSPRT DD SYSOUT=* //SYSTSIN DD * OCOPY INDD(IN) OUTDD(OUT) TEXT /* In this batch job, […]

EXITS provided with z/OS by IBM

January 10, 2017 Rui Miguel Feio

What exactly is an EXIT in z/OS? An EXIT is nothing more than a subroutine invoked by a program that can be customised to implement a predefined event in the execution of that same program. Confused? In that case imagine an EXIT as a way to customise the execution of […]

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