01-17-2008
When you grep those two lines out of the ps output, you discard the rest of the output. The first line is a header line that would label the fields. You should use:
ps -fu Vinay
which is much faster than doing ps -ef and then grepping a few lines. You should also do a "man ps" which would describe the fields being displayed.
The processes you list are in deep trouble and should be killed. 294248:53 is the cumulative execution time in minutes and seconds. That is an absurdly high value. 255 is the processor utilization which is used for scheduling. 255 is the max value so these processes are basicly in an infinite loop doing nothing except computation. -sh is a login shell but a login shell should have a tty assigned. This one has ? for tty which means it has become a daemon and has no tty. Each such process will fully utilize a cpu so if the box has 4 cpu's, 2 of them will have no idle time. If the system has less than 3 cpus, the system will have no idle time. The 255 does guarantee that these processes will have the lowest priority possible, so you can still get stuff done, but you still should kill these processes because they are simply wasting resources.
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WHO(1) BSD General Commands Manual WHO(1)
NAME
who -- display who is logged in
SYNOPSIS
who [-abdHlmpqrsTtu] [file]
who am i
DESCRIPTION
The who utility displays a list of all users currently logged on, showing for each user the login name, tty name, the date and time of login,
and hostname if not local.
Available options:
-a Same as -bdlprTtu.
-b Time of last system boot.
-d Print dead processes.
-H Write column headings above the regular output.
-l Print system login processes (unsupported).
-m Only print information about the current terminal. This is the POSIX way of saying who am i.
-p Print active processes spawned by launchd(8) (unsupported).
-q ``Quick mode'': List only the names and the number of users currently logged on. When this option is used, all other options are
ignored.
-r Print the current runlevel. This is meaningless on Mac OS X.
-s List only the name, line and time fields. This is the default.
-T Print a character after the user name indicating the state of the terminal line: '+' if the terminal is writable; '-' if it is not; and
'?' if a bad line is encountered.
-t Print last system clock change (unsupported).
-u Print the idle time for each user, and the associated process ID.
am I Returns the invoker's real user name.
file By default, who gathers information from the file /var/run/utmpx. An alternative file may be specified.
FILES
/var/run/utmpx
SEE ALSO
last(1), mesg(1), users(1), getuid(2), utmpx(5)
STANDARDS
The who utility conforms to IEEE Std 1003.1-2001 (``POSIX.1'').
HISTORY
A who utility appeared in Version 6 AT&T UNIX.
BSD
January 17, 2007 BSD