How to find the path of any command in Linux

The so called term used "command" is basically a binary file. If you try to read any of those files using any editor then you won't understand any thing as it is not human readable. These all commands are installed along with the relative packages with the installation of OS.

These binary files are mostly located in the below 4 locations

  • /bin
  • /usr/bin 
  • /sbin 
  • /usr/sbin.
You can either manually use the find or locate command to look out for the command in the above mentioned locations or alternatively you can use the below most suitable commands for this purpose


which command

# which <command_name>
For eg:
# which cp
alias cp='cp -i'

# which useradd

In case you get the below error# which samba

/usr/bin/which: no samba in (/usr/lib/qt-3.3/bin:/usr/local/sbin

It means your PATH variable does not contains the path for samba command. In that case which will not help you find the location of the command.


whereis command

So, you can use the below command for the same purpose

# whereis <command_name>

For example

# whereis useradd
useradd: /usr/sbin/useradd /usr/share/man/man8/useradd.8.gz

I hope the article was useful

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