To exit the top command in Linux, Unix, BSD, or OS X, you can use the following keyboard shortcuts: Press q: This will exit the top command immediately and return you to the terminal prompt. Press CTRL + C: This will exit the top command and return you to the terminal prompt. Note: If you … Read more
To exit the Vim text editor, you can use one of the following commands: Save and exit: :wq Exit without saving: :q! Save changes, but exit only if there were no changes: :q Note that :q will only exit the editor if there have been no changes made to the file. If you have made … Read more
To install Nginx on Red Hat Enterprise Linux (RHEL) 6 or CentOS 6 using the yum command, you need to add the Nginx repository to your system. Here are the steps: Download and install the Nginx repository configuration: sudo rpm -Uvh http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm Update the package lists: sudo yum update Install Nginx: sudo yum install nginx … Read more
The cat command can be used to append data to a file on Linux or Unix. You can use the following syntax: cat >> filename This will open the file in append mode, and you can type or paste the data that you want to append. When you are finished, press CTRL + D to … Read more
To rename a directory with spaces in its name in Linux or Unix, you need to use quotes or escape the spaces. Here are two ways to do this: Use quotes: mv “old directory name” “new directory name” Escape the spaces: mv old\ directory\ name new\ directory\ name Note: Make sure to replace “old directory … Read more
To install the GTK 2+ development environment on Debian or Ubuntu Linux, you can use the following steps: Update your package lists: sudo apt-get update Install the GTK 2+ development packages: sudo apt-get install libgtk2.0-dev This will install the GTK 2+ development environment on your system, including the headers, libraries, and tools required for developing … Read more
There are several ways to look up DNS information on a Linux and Unix system, including using the “nslookup” and “dig” commands. “nslookup” command: The “nslookup” command is a simple tool for looking up information about a domain name, such as its IP address. To use the “nslookup” command, open a terminal window and enter … Read more
The “fg” command in Linux and Unix is used to bring a background job to the foreground. This allows you to interact with the job as if it were a foreground job, rather than running in the background. Here are some examples of how to use the “fg” command: To bring the most recent background … Read more
The “killall” command in Linux and Unix is used to kill processes by name. It sends a signal to all processes running the specified command name. Here are some examples of how to use the “killall” command: To kill a process by name, use the following command: killall <processname> Replace “<processname>” with the name of … Read more
The “disown” command in Linux and Unix is used to remove a job from the control of the terminal and shell. When a job is disowned, it will continue to run in the background even if the terminal is closed, or the user logs out. Here are some examples of how to use the “disown” … Read more