top usually give the following type of output - and refreshes every n seconds (default of 5 seconds)
So your system, when at 100% could be slow - but you should be able to see the processes that are causing this condition.
Hi Every one,
I am new to Solaris and i want to know how to get a mail when the partition reaches certain Ex-75% percentage, and how to write shell script. I hope some one will help me.
Thanks and Regards,
Venkatesh.
##edit#by#moderator##
don't post your email address here... (1 Reply)
hello,
does anyone know how to expand the column width so it could contain full USER cell and not cut it in top ? Now it has eleven symbols but I can see only eight
actualy I found only PID, PPID and %CPU columns variation possibilities in changelog (procps v.3.2.5).
thanks in advance. (1 Reply)
hi i wish make a shell to look for the number of times a user is connected then makes a "whatch dog" by crontab to handle this
i could do it through ps-fedal| grep user_name | wc-l ... etc.
but others suggested me another algorithm :mad:
and thought to use w, or finger, or who
but it have a... (1 Reply)
Is it possible to switch to root(if allowed) and then with root privileges switch to another user account "ABC"? To further explain the scenario, ABC is an account which has sugroups=su2DEF and root is not part of su2DEF group. but, given that root can switch to any account(correct me if I am... (7 Replies)
Hello,
i'm trying to implement the times() function and i'm programming in C.
I'm using the "struct tms" structure which consists of the fields:
The tms_utime structure member is the CPU time charged for the execution of user instructions of the calling process.
The tms_stime structure... (1 Reply)
Hi all
In my system we have implemented user lockout feature after 3 failure attempt if he tries to login directly or if he run the any command through sudo and enter wrong password thrice. Now I have requirement in which particular user account shouldn't be locked when he run the command... (1 Reply)
My company uses a proprietary GUI to its business system (Strategix) which runs on Windows clients, whereas the back-end runs on a SCO OpenServer 5.0.6a server.
We're moving to a new business system next year and the business is growing and we're running out of licences on Strategix and making... (1 Reply)
Congratulations.
Nice one RudiC. That is some going, well done!
Bazza. (8 Replies)
Discussion started by: wisecracker
8 Replies
LEARN ABOUT CENTOS
free
FREE(1) User Commands FREE(1)NAME
free - Display amount of free and used memory in the system
SYNOPSIS
free [options]
DESCRIPTION
free displays the total amount of free and used physical and swap memory in the system, as well as the buffers and caches used by the ker-
nel. The information is gathered by parsing /proc/meminfo. The displayed columns are:
total Total installed memory (MemTotal and SwapTotal in /proc/meminfo)
used Used memory (calculated as total - free)
free Unused memory (MemFree and SwapFree in /proc/meminfo)
shared Memory used (mostly) by tmpfs (Shmem in /proc/meminfo, available on kernels 2.6.32, displayed as zero if not available)
buffers
Memory used by kernel buffers (Buffers in /proc/meminfo)
cached Memory used by the page cache (calculated as Cached - Shmem in /proc/meminfo - the Cached value is actually the sum of page cache
and tmpfs memory)
OPTIONS -b, --bytes
Display the amount of memory in bytes.
-k, --kilo
Display the amount of memory in kilobytes. This is the default.
-m, --mega
Display the amount of memory in megabytes.
-g, --giga
Display the amount of memory in gigabytes.
--tera Display the amount of memory in terabytes.
-h, --human
Show all output fields automatically scaled to shortest three digit unit and display the units of print out. Following units are
used.
B = bytes
K = kilos
M = megas
G = gigas
T = teras
If unit is missing, and you have petabyte of RAM or swap, the number is in terabytes and columns might not be aligned with header.
-c, --count count
Display the result count times. Requires the -s option.
-l, --lohi
Show detailed low and high memory statistics.
-o, --old
Display the output in old format, the only difference being this option will disable the display of the "buffer adjusted" line.
-s, --seconds seconds
Continuously display the result delay seconds apart. You may actually specify any floating point number for delay, usleep(3) is
used for microsecond resolution delay times.
--si Use power of 1000 not 1024.
-t, --total
Display a line showing the column totals.
--help Print help.
-V, --version
Display version information.
FILES
/proc/meminfo
memory information
SEE ALSO ps(1), slabtop(1), top(1), vmstat(8).
AUTHORS
Written by Brian Edmonds.
REPORTING BUGS
Please send bug reports to <procps@freelists.org>
procps-ng September 2011 FREE(1)