-bash: command not found - linux

I have little experience in Linux. I'm working on a remote Linux server without root privilege. After trying to install a software package by including the path variable to the .bashrc, I'm not able to access any of my file in the working directory. I'm also not able to execute any command. Always getting an error message -bash: command not found.
Whenever I login I'm getting a message:
-bash: export: `/opt/xcat/bin:/opt/xcat/sbin:/opt/xcat/share/xcat/tools:/usr/lib64/qt-3.3/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/usr/lpp/mmfs/bin:/usr/local/maui/sbin:/usr/local/maui/bin': not a valid identifier

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How to fix error Code bin root/go/bin not a valid identifier?

Trying to install chainlink on my laptop I had to install go. Doing so i think i have done something wrong and now i having error message each time I open ubuntu terminal which contents the following:
-bash: export: `Files/Docker/Docker/resources/bin:/mnt/c/ProgramData/DockerDesktop/version-bin:/mnt/c/Users/myusername/AppData/Local/Microsoft/WindowsApps:/mnt/c/Users/myusername/AppData/Local/Programs/Microsoft': not a valid identifier
-bash: export: `Code/bin:/snap/bin:/usr/local/go/bin:/root/go/bin': not a valid identifier
is there a way to remove/delete these or to fix the error full stop,please?

Unable to access pyspark

when I am executing command bin/pyspark from the path where spark has been installed I am getting the error
-bash: bin/pyspark: No such file or directory
I tried to build spark using command sbt/sbt assembly. This one also went on error with message
-bash: sbt/sbt: No such file or directory
I am able to access scala by executing command bin/spark-shell from the same path.
I am using Red Hat 4.4.5-6.
Below is a screen shot of bin folder and error messages.

Unable to access Node on Mac - command not found

I am getting the following response when I try to access node from terminal
node:command not found
I researched and found that I have to set PATH. I tried the following:
export PATH="/usr/local/bin/node:$PATH">> ~/.profile
It runs (I assume since the terminal doesn't return anything). But when I echo the path I get the following response
export PATH=/usr/local/bin/node:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/arihantjain/NVPACK/android-sdk-macosx/platform-tools:/Users/arihantjain/NVPACK/android-sdk-macosx/tools:/Users/arihantjain/NVPACK/apache-ant-1.8.2/bin
Clearly, I think the path isn't getting set. How can I do that? If not, is there a way to change the default installation directory of node. I used the .pkg installer to install Node.

error starting terminal in ubuntu 14.04.3 [MOVED]

I am unfamiliar with below error and how to fix it, it happens when I start the terminal in ubuntu 14.04.3. I do not send any command only press crtl+alt+T. It seems to indicate that something is missing from PATH but I'm not really sure what. Thank you :).
Command 'lesspipe' is available in the following places
* /bin/lesspipe
* /usr/bin/lesspipe
The command could not be located because '/usr/bin:/bin' is not included in the PATH environment variable.
lesspipe: command not found
Command 'dircolors' is available in '/usr/bin/dircolors'
The command could not be located because '/usr/bin' is not included in the PATH environment variable.
dircolors: command not found
Command 'ls' is available in '/bin/ls'
The command could not be located because '/bin' is not included in the PATH environment variable.
ls: command not found
cmccabe#HP-Z640-Workstation:~$

Cygwin - Error Running Program on Windows 8.1

Operating System: Windows 8.1
Cygwin Version: Latest version, as of Sept. 9, 2014.
Guile Version: 1.8
Background:
My overall goal is to install a program called "MIT Photonics Band (MPB)" on Windows 8.1 using Cygwin. I am a new user, as I started using Cygwin a few days ago. I was able to install all required packages successfully after some troubleshooting. Eventually, I installed the MPB program using the generic ./configure, make, make install commands with slight modifications. All of this appeared to be successful.
The Problem:
When I try to run the executable program, I get the following error:
ERROR: In procedure primitive-load-path:
ERROR: Unable to find file "ice-9/boot-9.scm" in load path
Attempt At Solution:
The following is a page of the MPB installation manual:
MPB Installation Manual - Shared Libraries.
It appears to address my issue. Note that it mentions LIBDIR and foobar. For my operating system, foobar is PATH. The LIBDIR, however, I do not know explicitly because my "make install" output did not indicate it, as the manual suggests it should have. Anyhow, I found the location of ice-9/boot-9.scm through a computer search and its directory happens to be here:
C:\cygwin64\usr\share\guile\1.8\ice-9
Hence, I ran the following command (again, for a Windows 8.1 operating system) in bash:
$ export PATH="/usr/share/guile/1.8/ice-9:$PATH"
However, note that when I run $PATH, I get this message:
-bash: /usr/share/guile/1.8/ice-9:/usr/local/bin:/usr/bin:/cygdrive/c/Program: No such file or directory
I also tried:
$ export GUILE_LOAD_PATH="/usr/share/guile/1.8/ice-9:$GUILE_LOAD_PATH"
That yielded:
-bash: /usr/share/guile/1.8/ice-9:: No such file or directory
Furthermore, I tried to copy and paste the "ice-9" folder in various locations for a quick and sloppy solution, but it was to no avail. I searched online for answers as some users have had an issue with the program not finding the ice-9/boot-9.scm file in the past. I could not get my problem solved.
Please let me know if I need to provide more information. I appreciate the help!
EDIT: In response to the first user's post, I used the command echo $PATH and the following was the output:
/usr/share/guile/1.8:/usr/local/bin:/usr/bin:/cygdrive/c/Program Files (x86)/NVIDIA Corporation/PhysX/Common:/cygdrive/c/Program Files (x86)/AMD APP/bin/x86_64:/cygdrive/c/Program Files (x86)/AMD APP/bin/x86:/cygdrive/c/Windows/system32:/cygdrive/c/Windows:/cygdrive/c/Windows/System32/Wbem:/cygdrive/c/Windows/System32/WindowsPowerShell/v1.0:/cygdrive/c/Program Files (x86)/Windows Live/Shared:/cygdrive/c/Program Files (x86)/ATI Technologies/ATI.ACE/Core-Static:/cygdrive/c/Program Files/MATLAB/R2013a/runtime/win64:/cygdrive/c/Program Files/MATLAB/R2013a/bin:/cygdrive/c/Program Files (x86)/Windows Kits/8.1/Windows Performance Toolkit:/cygdrive/c/Program Files/Microsoft SQL Server/110/Tools/Binn:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/cygdrive/c/WINDOWS/System32/WindowsPowerShell/v1.0:/cygdrive/c/Program Files/MATLAB/MATLAB Compiler Runtime/v81/runtime/win64:/usr/lib/lapack
Note that the problem still persists.
EDIT 2:
So I opened the "load.scm" file for GUILE and I found this line:
(define load-path '("/usr/share/emacs/20.7/lisp/"
"/usr/share/emacs/20.7/lisp/emacs-lisp/"))
I tried to add /usr/share/guile/1.8/ to these directories, but that didn't do anything either. Can't tell what's wrong.

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