Print environment variables in linux

Asked
Active3 hr before
Viewed126 times

10 Answers

printvariablesenvironment
90%

env command – Display all exported environment or run a program in a modified environment.,printenv command – Print all or part of environment.,Unix / Linux Print Environment Variables Command

printenv
printenv | less
printenv | more
load more v
88%

Please enable Cookies and reload the page.,If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.,If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.

Pretag
 Pretag team - issue, fix, solve, resolve
72%

How do I print the environment variable just being set?,as an environment variable, Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers

These need to go as different commands e.g.:

NAME = sam;
echo "$NAME"
NAME = sam && echo "$NAME"

To get the same result in one command:

NAME = sam printenv NAME
load more v
65%

Setting Shell and Environmental Variables , Printing Shell and Environmental Variables , How the Environment and Environmental Variables Work

Pretag
 Pretag team - issue, fix, solve, resolve
75%

If you want to see your environment variables, use the env command and look for the words in all caps in the output's far left. These are your environment variables, and their values are to the right:,To call the value of a single environment variable, enter the following command, using SHLVL (Shell Level) as an example:,The PATH variable contains the search path for executing commands and scripts. To see your PATH, enter:

If you want to see your environment variables, use the env command and look for the words in all caps in the output's far left. These are your environment variables, and their values are to the right:

 $ env
 LS_COLORS = (long output)
 LANG = en_US.UTF - 8
 HISTCONTROL = ignoredups
 HOSTNAME = rhel8t
 XDG_SESSION_ID = 5
 USER = khess
 SELINUX_ROLE_REQUESTED =
    PWD = /home/khess
 HOME = /home/khess
 SSH_CLIENT = 192.168 .1 .94 53911 22
 SELINUX_LEVEL_REQUESTED = XDG_DATA_DIRS = /home/khess / .local / share / flatpak / exports / share: /var/lib / flatpak / exports / share: /usr/local / share: /usr/share
 SSH_TTY = /dev/pts / 1
 MAIL = /var/spool / mail / khess
 TERM = xterm - 256 color
 SHELL = /bin/bash
 SELINUX_USE_CURRENT_RANGE =
    SHLVL = 1
 LOGNAME = khess
 DBUS_SESSION_BUS_ADDRESS = unix: path = /run/user / 1000 / bus
 XDG_RUNTIME_DIR = /run/user / 1000 PATH = /home/khess / .local / bin: /home/khess / bin: /usr/local / bin: /usr/bin: /usr/local / sbin: /usr/sbin: /opt/bin
 HISTSIZE = 1000
 LESSOPEN = || /usr/bin / lesspipe.sh % s _ = /usr/bin / env
load more v
40%

If a name argument is specified but is not defined in the environment variable, printenv returns exit status 1; otherwise it returns status 0.,The printenv command displays the values of environment variables. If the name argument is specified, only the value associated with name is printed. If it is not specified, printenv displays the current environment variables, one name=value pair per line.,Only one name argument can be specified.

printenv HOME
22%

How to list all variables names and their current values?,Enter the following command in a terminal to print all the environment variables:,This will show you not only the shell variables, but the environment variables too.

Enter the following command in a terminal to print all the environment variables:

printenv

To show a list including the "shell variables" you can enter the next command:

(set - o posix; set) | less

Use the following command:

(setopt posixbuiltin; set;) | less
load more v
60%

To find the current values of all your environment variables and functions in Unix, if you are using the sh, ksh, or bash shell, at the prompt, enter:,The resulting lists show all environment variables (for example, home, shell) and functions, and their values, both default and user-defined. On most systems, entering setenv will display the same results as printenv. ,If you are using the csh or tcsh shell, enter:

To find the current values of all your environment variables and functions in Unix, if you are using the sh, ksh, or bash shell, at the prompt, enter:

 set
load more v
48%

In this tutorial, you will learn how to set, view, and unset environment variables in Linux.,The output will show the first page of the list and then allow you to go further by pressing Space to see the next page or Enter to display the next line:,Set an Environment Variable in Linux Permanently

Structurally, environment and shell variables are the same – both are a key-value pair, separated by an equal sign.

VARIABLE_NAME = value
load more v
23%

Common environment variables in Linux and Mac,How to change and set environment variables,How to delete an environment variable

# Setting an environment variable

# The `export`
keywords essentially means "make this globally accessible"
# No spaces on either side of the equals sign.
# Quotes recommended
export FULL_NAME = "Darth Vader"

# Getting an environment variable 's value

# Note the $ prefix used
for referencing
echo "Anakin Skywalker is now $FULL_NAME"
# >> Anakin Skywalker is now Darth Vader
load more v

Other "print-variables" queries related to "Print environment variables in linux"