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Shell Programming and Scripting
very unusual question about while
Post 302085117 by jim mcnamara on Tuesday 15th of August 2006 09:41:38 AM
08-15-2006
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I'm wrting a program which needs to get the following information of a sever by calling some lib fuctions or system calls, so can anybody help to tell me those function names or where I can find the description of them ?
CPU usage
Memory usage
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Swap usage
Page I/O
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I'm wrting a program which needs to get the following information of a sever by calling some lib fuctions or system calls, so can anybody help to tell me those function names or where I can find the description of them ?
CPU usage
Memory usage
Load procs per min
Swap usage
Page I/O
... (11 Replies)
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what is wrong with the below script:
---------------------------------------------------------------------------------
#!/bin/bash
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Hello,
I have noticed some unusual behavior while running the script.
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LEARN ABOUT BSD
timedc
TIMEDC(8) System Manager's Manual TIMEDC(8) NAME
timedc - timed control program SYNOPSIS
timedc [ command [ argument ... ] ] DESCRIPTION
Timedc is used to control the operation of the timed program. It may be used to: o measure the differences between machines' clocks, o find the location where the master time server is running, o enable or disable tracing of messages received by timed, and o perform various debugging actions. Without any arguments, timedc will prompt for commands from the standard input. If arguments are supplied, timedc interprets the first argument as a command and the remaining arguments as parameters to the command. The standard input may be redirected causing timedc to read commands from a file. Commands may be abbreviated; recognized commands are: ? [ command ... ] help [ command ... ] Print a short description of each command specified in the argument list, or, if no arguments are given, a list of the recognized commands. clockdiff host ... Compute the differences between the clock of the host machine and the clocks of the machines given as arguments. trace { on | off } Enable or disable the tracing of incoming messages to timed in the file /usr/adm/timed.log. quit Exit from timedc. Other commands may be included for use in testing and debugging timed; the help command and the program source may be consulted for details. FILES
/usr/adm/timed.log tracing file for timed /usr/adm/timed.masterlog log file for master timed SEE ALSO
date(1), adjtime(2), icmp(4P), timed(8), TSP: The Time Synchronization Protocol for UNIX 4.3BSD, R. Gusella and S. Zatti DIAGNOSTICS
?Ambiguous command abbreviation matches more than one command ?Invalid command no match found ?Privileged command command can be executed by root only 4.3 Berkeley Distribution November 17, 1996 TIMEDC(8)