How do I log into IBM mainframe?
To log on, most installations require that you type the LOGON command. LOGON is the TSO/E command that tells TSO/E you want to begin a computer session. You can type commands either in uppercase or lowercase. Be sure to substitute your real user ID for yourid and press the Enter key.
What is TSO command in mainframe?
Time Sharing Option (TSO) is an interactive time-sharing environment for IBM mainframe operating systems, including OS/360 MVT, OS/VS2 (SVS), MVS, OS/390, and z/OS.
How does the mainframe work?
At their core, mainframes are high-performance computers with large amounts of memory and processors that process billions of simple calculations and transactions in real time. The mainframe is critical to commercial databases, transaction servers, and applications that require high resiliency, security, and agility.