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search sequence

Linux / UNIX: Determine where a binary command is stored / located on file system

You can use "type" or "whereis" command to find out which command shell executes and to print binary (command) file location for specified command.

whereis command example

Display ls command location along with man page path:
whereis ls
ls: /bin/ls /usr/share/man/man1p/ls.1p.gz /usr/share/man/man1/ls.1.gz

type command example

Find out which command the shell executes:
type -a ls
ls is aliased to `ls --color=tty'
ls is /bin/ls

Related: How Linux or UNIX Understand which program to run - PART I and How BASH Shell Command Search Sequence Works