Commands

Linux’s sysbench is a benchmark tool that tests CPU, I/O, memory, and database performance at default and given conditions, as explained in this article.

Linux offers the “nmap” command to scan the subnet by displaying the connected devices over the IP addresses in the same network.

To list the only files in the directory, use the combination of the “ls” and “grep” utility, “find” utility, or “run-parts” utility with the “list” flag.

The docker “run” command starts a new container from a docker image. The users can set up the new container, the password, and the volume of the container.

The ufw service can be allowed on SSH for a specific IP address, subnet, port number, and connection, as done in this article.

To use the script command in Linux, we can run the “script” command. This command is used to record the activity of the shell.

To add the entries in the syslog file, use the logger command in Linux by following the command syntax “logger [options] [log]”.

The “patch” is the built-in utility for patching the files (source code and text). It is used for updating the software with the new patch.

From the command line, you can use the “kill” and “pkill” commands to kill the running process by specifying the ID and name, respectively.

Command-line arguments are parameters passed to a script while executing them in the bash shell, and their uses are discussed in detail throughout this article.

The tar command can be used to create and manage archives files in Linux easily. Our detailed guide shows the working and usage of the tar command in Linux.

To use the fg command in Linux, follow the general syntax “fg [Job]”. You can use different symbols to bring the jobs into the foreground in Linux.

The top is the built-in utility of the Linux operating system for displaying the processes of the processor activities and the Kernel tasks.

In Linux, the ping command is used to troubleshoot networks, including the local machine network. The ping command comes preinstalled on Linux.

The “mkdir” Linux command creates new directories in the PWD or a specific directory. It also sets their permissions during the creation process.

Linux and most of its distributions offer the “telnet” command that connects the machines remotely. However, it is the old Linux command line utility.

The main objective of the “truncate” Linux command is to reduce/shrink or extend the standard file size to the required one.

The main difference between the “useradd” and “adduser” commands is their execution and implementation. For more detail, follow this guide.

The tar command compresses and extracts the files/directories. The tar xvf is used to extract the contents of the archive file with its verbose.

The user can use the “–user” for the username, and for the password, use the “–password” or “–ask-password” option in the wget command.

Linux offers the “ps-ef” command that lists out the running processes with the command line arguments passed to the process.

Discover the capabilities of the ‘ls -l’ command in Linux. Learn how to list and sort files and directories in different ways with this powerful command.

Sort output from largest to smallest by a combination of “du” and “sort” commands with the “h” option. It displays output in a human-readable format.

Master the power of the set command in Linux with our comprehensive guide and learn how to set and unset shell variables and control script behavior.

Linux offers a “more” command that allows you to view the contents of a text file or output one page at a time. The syntax with multiple examples is given here.

In Linux, the “ls” command works with “-l” and “-h” options to display the list of file sizes in a long and human-readable format, respectively.

In Linux, the “chage” is a built-in utility used to manage the user’s accounts, such as setting the password expiry, password inactive, warnings, etc.

Linux offers the “fdisk” command to create, delete, and modify the partition in the system. It requires the name of a hard disk to display information.

Linux and its distributions offer the built-in command line utility “export” that is used for exporting the environment variables and functions.

Linux “chrt” command is used to change the scheduling attributes of a specified process dynamically. Moreover, the user can also change the scheduling priority.

The “source ~/.bashrc” command in Linux is used to update or refresh the changes made in the bashrc file to be applicable in shells permanently.

In Linux, the umask command is a utility to change the privileges of the files and directories. Users can change the umask value to change the permission.

Learn how to easily set the hostname of your Linux device using the “hostnamectl” command. Follow our detailed guide to learn this process in no time!”

Learn how to use the powerful “df” command in Linux to check disk usage and monitor filesystems. Boost your command line skills with our easy-to-follow guide.

In Linux, the “ftp” command is utilized to transfer files between remote systems after establishing the connection through “ftp ”.

To run the SSH command for executing different commands in the remote machine, enter the remote machine’s shell with “ssh user@ip_address”.

In Linux, various commands are used for apache services, such as starting, restarting, stopping, testing configuration, virtual host, etc.

The ulimit command is generally used to list down the resource limit occupied by the specific user. These limits are of two types “Hard” and “Soft”.

In Linux, the sort is a built-in utility for arranging the content of the files. Various options can be considered while sorting any content.

The “curl” command utility to download or transfer the file from or to the server. Most of the Linux distro is equipped with this utility by default.

In Linux, to run a command stored in a variable, use the bash script, an array, or an eval utility which is explained in the article.

In Linux, the “type” command tells the type of the specified Linux command in the terminal. In addition, it also displays the “absolute path” of Linux commands.

The “pidof” command is useful to get the list of running processes IDs. “tab” characters separate all the process IDs by default.

Quickly find any file or directory on your Linux system with the powerful “locate” command. Different options have also been discussed in the article.

In Linux, the “chattr” command is utilized to change the existing attributes of a file such as “i” for immutable, “a” append mode via “+”, “-” operators.

The “which” command in Linux is used to locate a command by searching for it in the directories listed in the PATH environment variable.

In Linux, the “whoami” command displays the information of the username which is currently logged into the operating system.

The bash printf command in Linux prints the output with specific formatting using backslash-escaped characters, conversion or format, and width specifiers.

The “pstree” command shows the currently running processes of a system in a tree structure. It offers a variety of options to display the output.

Learn how to use the powerful modprobe command in Linux to manage your kernel modules and improve your system’s performance and security through this article.

The “lsmod” command reads the “/proc/modules” files as input and displays the currently loaded kernel modules in an organized format.

To list down the services using the systemctl command utility on linux, run the command “ systemctl list-units –type=service –all”.

The “history” command is available in almost all Linux distributions. It provides a list of all the typed and executed commands on the entire system.

The cut command extracts specific fields or columns from a file or standard input in Linux. Read this article for information regarding this command.

In Linux, rename command is a utility that replaces any file name with your desired file name. For this command, there are various options available.

To run Linux commands as another user, we can use three commands, i.e., runuser, pkexec, and su. a detailed usage of these commands is provided here.

In Linux, the main objective of the “free” command is to provide the summary of used and unused memory of both physical and swap memory.

The “pkill” command kills the execution of currently active processes in linux such as “-f” (full process name), “-o” (oldest process), “-n”(newest process).

In Linux and its distributions, the “less” command helps get the content of the file in an organized way. Read out this post to learn more.

The “cal” command displays the current/specific month and year calendar. To execute this command, install the “ncal” (new calendar) package in Linux.

The Linux “chown” command changes the ownership of files, directories, or groups. The file ownership is changed using the “sudo chown owner filename” command.

In Linux, the useradd command adds different users. The functionality of the useradd command depends upon the options supported by it.