This category covers topics including various linux command line utilities and its uses.

fd - Powerful Alternative to Linux Find Command

fd tool find linux

The Linux directory tree obeys the Filesystem Hierarchy Standard, which allows Linux users and developers to locate system files in standard directories. Since Linux is a very file-oriented operating system, it is important that you know how to find files. [...]

Alain Francois 2:00 am

How to Schedule Job on Linux using Cron, Anacron and at Commands

schedule jobs linux

Job scheduling is a feature that allows a user to submit a command or program for execution at a specified time in the future. On a Linux server, it is important that certain tasks run at certain times The execution of the [...]

Alain Francois 2:00 am

15 Linux Screen Command for Dealing Terminal Sessions

linux screen command examples

The screen is a terminal multiplexer. Using this, you can run any number of console-based-applications, interactive command shells, course-based applications, etc. You can use screen to keep running program after you accidentally close the terminal, or even after you log out and [...]

Alain Francois 3:45 am

6 Ways to Find Largest Top Files and Directory in Linux

find top files directories linux

Finding the size of large file and directories in Linux servers is one of the most important tasks that every system administrator came across in his daily tasks. So, every system administrator must know about multiple ways to find out [...]

Kashif Siddique 2:31 pm

13 Practical df Command Examples to Check Disk Space in Linux

linux df command

The df command displays the disk space usage for the Linux filesystems. It displays the amount of total and free disk space available on the mounted file systems. Using the command, we can also find used blocks and inodes in [...]

Bobbin Zachariah 3:40 am

How to Use Linux Hexdump Command with Practical Examples

Hexdump is a very useful Linux command for developers and application debuggers. It has ability to dump file contents into many formats like hexadecimal, octal, ASCII and decimal. This command takes a file, or any standard input, as input parameter [...]

Aun Raza 3:00 am

How to Stop Process Using Kill Command in Linux

The kill command is used on Linux and other Unix-like operating systems ( Solaris,  AIX, HP-Unix, Mac). It doesn’t matter which operating system you are using to terminate processes without having to log out or reboot the computer. A process [...]

Shaha Alam 3:00 am

How to Install perf Tool on CentOS and Ubuntu

Perf is a performance counter for Linux. With it you can know many secrets of the running linux system. For example why L2 cache misses are happening. Why your disk is showing activity, which code paths are making the stalls [...]

Mihajlo Milenovic 3:00 am

Unix Z Commands – Zcat, Zless, Zgrep, Zegrep and Zdiff Examples

In this article let us review how to perform normal file operation on a compressed files using the powerful Linux Z commands.Some of these z commands uncompressed the file temporarily in the /tmp directory to perform the specified operation. Some [...]

Shaha Alam 3:00 am

How to Track Progress % of Commands (cp,dd,tar) in CentOS 6 / Fedora

When you copy a large file in terminal with simple cp command without flags, you might sometimes wonder whether it is really copying or the process got blocked somehow and it will actually never finish. The output is non existent [...]

Mihajlo Milenovic 3:00 am

Run Command Parallel on Multiple Hosts using PDSH Tool

PDSH is a very smart little tool that enables you to issue the same command on multiple hosts at once, and see the output. It is a high-performance and parallel remote shell utility. It can run multiple remote commands in parallel and [...]

Shaha Alam 3:00 am

Learn Uses of ssh Command in Linux With Examples

SSH is a popular, powerful, software-based approach to network security. It is used for logging into a remote machine and for executing commands on a remote machine. Whenever data is sent by a computer to the network, ssh will automatically encrypt [...]

Shaha Alam 3:00 am

How to Use Linux watch Command with Examples


A server administrator needs to maintain the system and keep it updated and safe. A number of intrusion attempts may happen every day. There are some other activities that maintain their log. These logs are updated regularly. In order to [...]

Aun Raza 2:39 pm

A Peep into Process Management Commands in Linux

htop output

A program in execution is called a process. While a program is an executable file present in storage and is passive, a process is a dynamic entity comprising of allocated system resources, memory, security attributes and has a state associated [...]

B N Poornima 6:00 am