What is /bin/sh -c?

What does /bin/sh -c mean? What does -c do?

0

2 Answers

From the man-page of bash:

-c string

If the -c option is present, then commands are read from string. If there are arguments after the string, they are assigned to the positional parameters, starting with $0.

Example:

$ bash -c ls

will launch bash and execute the command ls.

/bin/sh is usually a symlink to a shell.

5

With -c (command) it returns to the first shell instead of let open a new one.
It is very similar to: sudo su -l -c 'echo "run a command and return"'
Example:

#sudo su -l knoppix -c 'echo "run a command as ${USER} and return"'
run a command as knoppix and return
#

2

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