rajeshkumar created the topic: unix command to find memory usage Monitor processes continuously. Updates every 3 seconds by default. Displays useful information such as total memory, memory in use, % of total memory used by each process, % cpu usage of each process, and process ID (PID) of each process. Type ‘h’ for help or… Read More »
scmuser created the topic: find application instance directory in unix How to find installed application directory in unix? rajeshkumar replied the topic: Re:find application instance directory in unix use Which command I mean which java which perl which ant which p4 which svn You will get location of the apps installed in your machine. Regards,… Read More »
rajeshkumar created the topic: Unix command to Know some useful system Information Unix command to Know some useful system Information top show system stats and top CPU using processes uptime show one line summary of system status who who is on the system and what they are doing more show text file on display terminal… Read More »
aparna created the topic: memory usage in Unix I have a map file and I need to test this file and get all the information about the memory usage such as, RAM usage. Can I do that by using unix or is there any other good program to use? Any help please? rajeshkumar replied the… Read More »
You can find the memory used by a program (process) by looking into /proc directory or using standard command such as ps or top. However, you must calculate all memory usage by hand i.e. add Shared Memory + mapped file + total virtual memory size of the process + Resident Set Size + non-swapped physical… Read More »
If you are using SMP (Multiple CPU) system, use mpstat command to display the utilization of each CPU individually. mpstat Report processors related statistics which includes Collecting and displays performance statistics for all logical processors in the system.. This display CPU statistics of individual CPU (or) Core. How to install mpstat? 1. Ensure you are… Read More »
iostat command is a command that used for monitoring system input/output device loading by observing the time the devices are active in relation to their average transfer rates. The iostat create reports that can be used to change system configuration to better balance the input/output between physical disks. You can use iostat command which report… Read More »
vmstat – Report virtual memory statistics. vmstat is a tool that collects and reports data about your system’s memory, swap, and processor resource utilization in real time. It can be used to determine the root cause of performance and issues related to memory use. vmstat reports information about processes, memory, paging, block IO, traps, and… Read More »
Under Development The xargs command is extremely useful when we combine it with other commands.This tutorials explains the usage of xargs command using few simple examples. 1. Xargs Basic Example The xargs command (by default) expects the input from stdin, and executes /bin/echo command over the input. When you execute xargs without any argument, or… Read More »
Once you create a partition, you should use mount command to mount the partition into a mount point (a directory), to start using the filesystem. You need to add the -t FILESYSTEMTYPE argument to the command, replacing FILESYSTEMTYPE with your filesystem type.valid filesystem types are: auto – this is a special one. It will try… Read More »