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One Day One Command :-
====================
top -- Display TOP Intensive processes
Summary :
TOP provides an ongoing look at processor activity in real time. TOP
list the process, which is sorted based on the CPU usage of the each
task on the system. It can also sort the tasks by memory usage & run
time.
Examples :
$ top -- List the most CPU-Intensive processes.
$ top -q -- Runs with the highest possible priority.
$ top -d 6 -- List will be updated every 6 Sec.
$ top -n 5 -- Update the list for 5 times and then exit.
$ top -p 100 -p 200 -- Monitor only process with PID 100 & 200.
Maximum 20 processes can be monitored.
$ top -s -- Run in secure mode (Disables the potentially dangerous
interactive commands).
$ top -c -- List the process with command line options instead of the
command name only (default).
$ top -b -n 5 > myfile -- Run in Batch mode & dump the output in myfile.
NOTE:
1) Batch Mode is useful for sending output from top to other programs
or to a file. It runs until it produces the number of iterations
requested with the n option or until killed.
2) TOP supports few interactive commands to change the output formats
like changing update time and few actions like killing a process.
Read : man top
Bye :)
--
Bharathi S
ODOC -- http://www.livejournal.com/community/ilugc/
