The UNIX/Linux command fsck can be used in many ways, as a noun, a verb, and an adjective:

1. I ran fsck.

2. I fscked the file system.

3. I put the files into the fscked file system.

My favorite Linux commands:

chown linux:users /the_world

rm -rf /bin/laden

The three most used chemicals in engineering:

1. Caffeine

2. Glucose

3. Aspirin