NL%  TIME    DD JBS,TCOR  R,RCOR UCOR
JOB   PPN   TTY  QUEUE   JOBNAM SIZE RUNTIME-RP XTIME-XP DSKOPS SEGNAM (ALIAS)

The WHO line format is shown above.  See below for some meanings.
All numbers are decimal except TTY,  which is your octal teletype
line number.  Suggestions for the WHO line should be directed to ME.

The special characters after QUEUE have the following meanings:

- (dash) means you are the currently running job.
* (asterisk) means you are swapped out.  A second asterisk means
  your upper segment is swapped out.
\ (backslash) means you are running spacewar on the 10.
/ (slash) means you are running spacewar on the 6.
X means you are running spacewar on both the 10 and the 6.

RUNTIME is your total run time since login.
RP is the percentage of your total wait time that is run time.
XTIME is the incremental run time since last teletype interaction.
  The number after the single quote is in ticks (60ths of a second).
XP is the percentage of your incremental wait time that is run time.
  This is your average processor level since last tty interaction.
DSKOPS is the number of disk operations since last tty interaction.
NL is the system null-time percentage over the last few seconds.
TIME is the time of day.
DD is the number of Data Disk channels in use (maximum of 31).
JBS is the number of jobs logged in.
TCOR is the total core (including that swapped out) of all jobs.
R is the number of different jobs run in the last few seconds.
RCOR is the total core size of the jobs run in the last few seconds.
UCOR is the amount of core available for user jobs.