What are TSR processes?

A terminate-and-stay-resident program (commonly TSR) is a computer program running under DOS that uses a system call to return control to DOS as though it has finished, but remains in computer memory so it can be reactivated later.

How does memory resident virus work?

A type of malware that hides and stores itself within the computer’s memory. Depending on the virus’ programming, it can then infect any file run by the computer. This type of virus even attach itself to anti-virus applications, thereby allowing it to infect any file scanned by the program.

How does a memory resident program work on a computer?

A memory-resident program has the ability to stay in the computer’s memory after execution and to continuously run. Typically backdoors stay in memory to await commands, as do . file infectors to infect files as they are opened.

Is there an antivirus for memory resident malware?

Some antivirus programs are also made to be effective against memory-resident malware. Another feature of memory-resident malware programs is that they tend to block their own removal. Programs resident in RAM enjoy some protections that make it more difficult to remove these types of malware.

What does it mean when a program stays in memory?

Memory resident. A memory-resident program has the ability to stay in the computer’s memory after execution and to continuously run. Typically backdoors stay in memory to await commands, as do . file infectors to infect files as they are opened. Some worms stay in memory to continually send email.

How can you make a program as memory resident in Aix?

How can you make a program as Memory resident in AIX. If I make a program as a memory resident program whether all the parts of the program like code and data (stack) segements of the program will be loaded in to the Memory. I have a C code which is creating array of 10000 long ints and will be initialized with some data.