How to check Ubuntu version in bash

Check Ubuntu version in Linux

Open the terminal application (bash shell) by pressing Ctrl+Alt+T.
For remote server login using the ssh: ssh user@server-name.
Type any one of the following command to find os name and version in Ubuntu: cat /etc/os-release. lsb_release -a. ...
Type the following command to find Ubuntu Linux kernel version: uname -r.

What bash version do I have?
How do I find the Linux version?
How do I check if Ubuntu is installed?
How do I know bash or zsh?
What is bash command?
Which version of Redhat do I have?
How do I check my Redhat version?
What is the latest version of Ubuntu?
How do I check if Linux is installed?
Which Ubuntu should I install?
How do I set bash as default shell?
How do I know my current shell?
How do I go to Bash in Linux?

What bash version do I have?

Current Status. The current version of bash is bash-5.1. (GPG signature). A downloadable tar file of the current version with all official patches applied is available from the GNU git repository.

How do I find the Linux version?

The command “uname -r” shows the version of the Linux kernel that you're currently using. You'll now see which Linux kernel you're using. In the above example, the Linux kernel is 5.4.

How do I check if Ubuntu is installed?

Check the Ubuntu Server Version Installed/Running

Method 1: Check Ubuntu Version from SSH or Terminal.
Method 2: Check Ubuntu Version within the /etc/issue file. The /etc directory contains a file named /issue . ...
Method 3: Check Ubuntu Version within the /etc/os-release file. ...
Method 4: Check Ubuntu Version using the hostnamectl command.

How do I know bash or zsh?

Update your Terminal preferences to open the shell with the command /bin/bash , as shown in the screenshot above. Quit and restart Terminal. You should see "hello from bash", but if you run echo $SHELL , you will see /bin/zsh .

What is bash command?

Bash (AKA Bourne Again Shell) is a type of interpreter that processes shell commands. A shell interpreter takes commands in plain text format and calls Operating System services to do something. For example, ls command lists the files and folders in a directory. Bash is the improved version of Sh (Bourne Shell).

Which version of Redhat do I have?

To display the Red Hat Enterprise Linux version use any one of the following command/methods: To determine RHEL version, type: cat /etc/redhat-release. Execute command to find RHEL version: more /etc/issue. Show RHEL version using command line, rune: less /etc/os-release.

How do I check my Redhat version?

5 Ways to Find Version of Red Hat Linux (RHEL)

Option 1: Use hostnamectl. ...
Option 2: Find Version in /etc/redhat-release File. ...
Option 3: Check Query Release Package with RPM. ...
Option 4: Finding Red Hat Version and Release Using /etc/issue File. ...
Option 5: Check Common Platform Enumeration File. ...
Check Other Release Files.

What is the latest version of Ubuntu?

The latest LTS version of Ubuntu is Ubuntu 20.04 LTS “Focal Fossa,” which was released on April 23, 2020. Canonical releases new stable versions of Ubuntu every six months, and new Long Term Support versions every two years.

How do I check if Linux is installed?

There are several commands that can be used in Debian-based system (Ubuntu, Linux Mint, etc.) to find this information as listed below: apt command. apt-cache command. dpkg command.

Which Ubuntu should I install?

Which Ubuntu to choose and how? To sum up, as an average desktop user, your focus should be on the default Ubuntu, Kubuntu, Lubuntu, Xubuntu, Ubuntu Mate, and Ubuntu Budgie. And according to YOUR preference, you can choose to install the one you like.

How do I set bash as default shell?

From System Preferences

Hold the Ctrl key, click your user account's name in the left pane, and select “Advanced Options.” Click the “Login Shell” dropdown box and select “/bin/bash” to use Bash as your default shell or “/bin/zsh” to use Zsh as your default shell. Click “OK” to save your changes.

How do I know my current shell?

How to check which shell am I using: Use the following Linux or Unix commands: ps -p $$ – Display your current shell name reliably. echo "$SHELL" – Print the shell for the current user but not necessarily the shell that is running at the movement.

How do I go to Bash in Linux?

To check for Bash on your computer, you can type “bash” into your open terminal, like shown below, and hit the enter key. Note that you will only get a message back if the command is not successful. If the command is successful, you will simply see a new line prompt waiting for more input.