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Full Discussion: Running UNIX Commands from C
Top Forums Programming Running UNIX Commands from C Post 302182910 by zainab on Monday 7th of April 2008 08:28:30 PM
Old 04-07-2008
Bug Running UNIX Commands from C

Hi,

-How can I get number of files, cpu usage (percentage), memory usage, disk usage, ...etc, using C program ... I can use unix command ( system(command) )but I want the value to be returned back to my C program to use it in my code? How can I do that?

Thanks in advance ...
 

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WMCPULOAD(1)						      General Commands Manual						      WMCPULOAD(1)

NAME
wmcpuload - A dockapp to display CPU usage SYNOPSIS
wmcpuload [options] DESCRIPTION
This manual page documents briefly the wmcpuload command. This manual page was written for the Debian GNU/Linux distribution. WMCPULoad is a dockapp that is supported by X window managers such as Window Maker, AfterStep, BlackBox, and Enlightenment. It displays the current CPU usage, expressed as a percentile and a chart, and has an LCD look-alike user interface. The back-light may be turned on/off by clicking the mouse button over the application. If the CPU usage hits a certain threshold, an alarm-mode will alert you by turning on back- light. OPTIONS
This program follows the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. -d, --display <string> Attempt to open a window on the named X display. In the absence of this option, the display specified by the DISPLAY environment variable is used. -t, --title <string> specify title name -bl, --backlight turn on back-light. -lc, --light-color <color> back-light color (rgb:6E/C6/3B is default) -i, --interval <number> number of secs between updates (1 is default) -c, --cpu <number> (GNU/Linux / IRIX) CPU number to monitor (Counting starts with 0). -n, --ignore-nice (GNU/Linux / FreeBSD / OpenBSD / NetBSD) ignore a nice value -h, --help show help text and exit -v, --version show program version and exit -w, --windowed run the application in windowed mode -wp, --windowed-withpanel run the application in windowed mode with background panel -bw, --broken-wm activate broken window manager fix -a, --alarm <percentage> activate alarm mode. <percentage> is threshold of percentage from 0 to 100.(90 is default) -p, --ignore-proc <name><...> ignore all processes specified by command name AUTHOR
WMCPULoad was written by Seiichi SATO <ssato@sh.rim.or.jp>. This manual page was written by Gordon Fraser <gordon@freakzone.net>, for the Debian GNU/Linux system (but may be used by others). June 30, 2001 WMCPULOAD(1)
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