ksh Environment Variables

The following standard ksh environment variables are predefined:

ksh CDPATH Environment Variable 

ksh COLUMNS Environment Variable 

ksh EXECSHELL Environment Variable 

ksh FCEDIT Environment Variable 

ksh HISTSIZE Environment Variable 

ksh HOME Environment Variable

ksh IFS Environment Variable 

ksh MAIL Environment Variable 

ksh MAILCHECK Environment Variable

ksh MAILPATH Environment Variable 

ksh OLDPWD Environment Variable 

ksh OPTARG Environment Variable 

ksh OPTIND Environment Variable 

ksh PATH Environment Variable 

ksh PPID Environment Variable 

ksh PS1 Environment Variable 

ksh PS2 Environment Variable 

ksh PS3 Environment Variable 

ksh PS4 Environment Variable 

ksh PS5 Environment Variable 

ksh PWD Environment Variable 

ksh RANDOM Environment Variable 

ksh REPLY Environment Variable

ksh SECONDS Environment Variable 

_ # - ? $ ! * @

See ksh Special Variables for the ones with non-alphanumeric names.

There are several variables whose names starts with DBX_. These correspond to the dbx environment variables.

The read-only status variables are: dbxdir Variable, havegui Variable, mtfeatures Variable, and version Variable.

The variable last_choice is set automatically by overload resolution. See last_choice Variable for details.

The following are readonly dbx state variables:

ins lineno vlineno line

func vfunc class vclass file vfile loadobj vloadobj scope vscope

funcaddr caller

newhandlerid handlerid firedhandlers

proc prog

lwp thread

dllist dlobj

exception

sig sigstr sigcode sigcodestr

exitcode

falsehits

syscode sysname

See Variables for the meaning of each.

Also, the names of the registers are reserved. See Registers.