Posts Tagged ‘process’

Hide grep command from ps output

Posted: 28th October 2014 by Tim in Linux
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When searching for a running process on a *nix machine, it is common to use ps together with grep, like so: ps -ef | grep vim This works well enough for quick searches, but will always return the grep command since grep vim will always contain the string “vim”. The pgrep utility can work around […]

Using tools such as ps or top, you are able to see the processes running on a machine. However, you can’t see the directory from which the process was started. Knowing the working directory can be useful if, for example, you need to move a script or program to stop a fork bomb, if you […]

In a C or C++ program, fork() can be used to create a new process, known as a child process. This child is initially a copy of the the parent, but can be used to run a different branch of the program or even execute a completely different program. After forking, child and parent processes […]

Pausing processes in ubuntu

Posted: 6th June 2010 by Tim in Ubuntu
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There are times when you want to pause a process and continue it later. For example, when a process is using all the computer’s resources and you need to access something or execute something else. This can all be done via the kill -STOP and kill -CONT commands. First you need to grap the pid […]