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Download an Entire website with wget

Get MD5 checksum from a pipe stream and do not alter it

Bash command to convert IP addresses into their "reverse" form

Make vim open in tabs by default (save to .profile)
I always add this to my .profile rc so I can do things like: "vim *.c" and the files are opened in tabs.

Nicely display permissions in octal format with filename
Since the original command (#1873) didn't work on FreeBSD whose stat lacks the "-c" switch, I wrote an alternative that does. This command shows also the fourth digit of octal format permissions which yields the sticky bit information.

Compare an archive with filesystem
and you quickly know the files you changed

validate xml in a shell script using xmllint

Find the package that installed a command

More precise BASH debugging

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"


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