Contents

{{works with|Bourne Shell}}
#!/bin/sh
echo "Hello world!"

==={{header|C Shell}}===
#!/bin/csh -f
echo "Hello world!\!"

We use \! to prevent history substitution. Plain ! at end of string seems to be safe, but we use \! to be sure.

Version data entries

10 entries across 7 versions & 1 rubygems

Version	Path
zettacode-0.1.7	files.zettacode/hello_world.text/unix_shell.txt
zettacode-0.1.6	files.zettacode/hello_world.text/unix_shell.txt
zettacode-0.1.6	files.zettacode2/hello_world.text/unix_shell.txt
zettacode-0.1.5	files.zettacode/hello_world.text/unix_shell.txt
zettacode-0.1.5	files.zettacode2/hello_world.text/unix_shell.txt
zettacode-0.1.4	files.zettacode/hello_world.text/unix_shell.txt
zettacode-0.1.4	files.zettacode2/hello_world.text/unix_shell.txt
zettacode-0.1.3	files.zettacode/hello_world.text/unix_shell.txt
zettacode-0.1.2	files.zettacode/hello_world.text/unix_shell.txt
zettacode-0.1.1	zettacode.files/hello_world.text/unix_shell.txt