System Variables

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This contains a list of all quad variables and quad functions. The difference is that a value may be assigned to a quad variable. A value cannot be assigned to a quad function.

System Variables
⎕ALX Attention Latent Expression
⎕CT Comparison Tolerance
⎕DL Delay execution
⎕DM Diagnostic Message (Read-only)
⎕ELX Error Latent Expression
⎕FC Format Control
⎕FEATURE Feature Control
⎕FPC Floating Point Control
⎕IC Indeterminate Control
⎕IO Index Origin
⎕LX Latent Expression
⎕PP Print Precision
⎕PR Prompt Replacement
⎕PW Print Width
⎕RL Random Link
⎕SA Stop Action
⎕WSID Workspace Identifier
Niladic System Functions
⎕A Uppercase English Alphabet
⎕AV Atomic Vector
⎕EM Event Message
⎕ET Event Type
⎕LC Line Counter
⎕NNAMES Names of Open Native Files
⎕NNUMS Tie Numbers of Open Native Files
⎕SYSID System Identifier
⎕SYSVER System Version
⎕TC Terminal Control Characters
⎕TCBEL Terminal Control Character, Bell
⎕TCBS Terminal Control Character, Backspace
⎕TCESC Terminal Control Character, Escape
⎕TCFF Terminal Control Character, Form Feed
⎕TCHT Terminal Control Character, Horizontal Tab
⎕TCLF Terminal Control Character, Line Feed
⎕TCNL Terminal Control Character, New Line
⎕TCNUL Terminal Control Character, Null
⎕TS Time Stamp
⎕WA Workspace Available
Monadic or dyadic system functions
⎕AT Attributes
⎕CR Canonical representation
⎕DR Data representation
⎕EA Execute alternate
⎕EC Execute controlled
⎕ERROR Signal error
⎕ES Event simulate
⎕EX Expunge names
⎕FMT Format
⎕FX Function fix
⎕MF Monitor function
⎕NAPPEND Append data to an open native file
⎕NC Name classification
⎕NCREATE Create and open a native file
⎕NERASE Erase an open native file
⎕NL Name list
⎕NREAD Read data from an open native file
⎕NRENAME Rename an open native file
⎕NREPLACE Replace data in an open native file
⎕NRESIZE Resize an open native file
⎕NSIZE Get the size of an open native file
⎕NTIE Open a native file
⎕NUNTIE Close a native file
⎕TF Transfer form
⎕UCS Universal character set
⎕VR Vector representation of a function