What is the refresh key in mainframe?
Press the Refresh key, which is usually the PA2 key, to get the correct information displayed on your screen.
Which is the attention key in mainframe?
PA1
The attention interrupt key often is labeled “PA1”. Sometimes it is called an escape key and is labeled “Esc”.
How do I clear my mainframe screen?
Use the clear command to empty the screen of messages and keyboard input. The system clears the screen and displays the prompt.
How do I switch between screens in mainframe?
You make a screen active by using the SWAP command and its parameters to choose the desired screen. The parameters on the SWAP command (LIST, PREV, NEXT, screen_name, and n) control which screens you see displayed. If only one screen exists, this command has no effect.
What is PA2 in mainframe?
Meaning. Usage. PA2. Print. Prints a hard copy of currently displayed HELP information.
What is the attention key in TSO?
You can press the TSO Attention key, which is usually the PA1 key, to receive the following message: If you press the TSO Attention key to interrupt an HLIST command, you receive the information up to the point that you interrupted the command.
How do you clear an entire terminal on a Mac?
How to Clear the Terminal Screen on a Mac
- Launch a new Finder window on your Mac.
- Click “Applications” under the Places heading on the left side of the Finder.
- Type the word “clear” into the Terminal window, without quotation marks.
- Press the “Enter” button on your Mac to clear the Terminal screen.
How do I clear the terminal screen on a Mac?
If you’re using the built-in Terminal app:
- Edit > Clear Scrollback ⌥⌘K (Alt+Cmd+K)
- Edit > Clear Screen ⌃⌘L (Ctrl+Cmd+L)
How do I open two screens in mainframe?
Move the cursor to the spot where you want the screen to split. Press the SPLIT PF key (PF 2). A dotted line indicates the split. After the screen is split, the cursor indicates which part of the screen is active.
How do you change the size of the screen on a Mac?
Open System Preferences. Click on Displays. If Resolution is set to Default for display, click on Scaled. To make text larger, click on one of the boxes to the left of Default. To make more space on the screen so you can see more things, click one of the boxes to the right of Default.
Where are the System Preferences on a Mac?
To change System Preferences on your Mac, click the System Preferences icon in the Dock or choose Apple menu > System Preferences. Open System Preferences for me. Options for your Mac are organized into preferences.
How can I change the settings on my Mac?
You can change system settings to customize your Mac. For example, you can change the size and location of the Dock, choose a light or dark appearance, change the desktop picture, and more. To change System Preferences on your Mac, click the System Preferences icon in the Dock or choose Apple menu > System Preferences.
How to set PF keys on a mainframe?
1 enter KEYS in the command line,KEYS window will popup. 2 set any key to NRETRIEV and exit. 3 now when you are in 3.4 or whichever screen you have set the KEYS option, press the assigned PF keys. 4 Pressing them repeated will bring up one-by-one the last 30 accessed datasets from the reflist.