List all available partitions to mount  lsblk
Mount drive the easy way                udisksctl mount -b /dev/sd[letter][number]
Start OpenVPN                           sudo openvpn --config /etc/openvpn/elitebook.ovpn
Music CD burner                         k3b
Mass file renamer                       thunar -B
File copier with progress bar:          rsync -vau
Check ip/mac address:                   ifconfig -a
List all installed packages             apt-list-installedbyme                  (see ~/.bash_aliases)
pdftk examples:                         pdftk file1.pdf file2.pdf file3.pdf cat output newfile.pdf
pdftk examples:                         pdftk A=one.pdf B=two.pdf cat A1-7 B1-5 A8 output combined.pdf
Recover lost or deleted files:          photorec
Try to fix a jacked up drive:           testdisk
Markdown link:                          [link text](htttp://www.url-website.con)
Tar examples:
  Gzip (standard, fastest)              tar -czvf archive.tar.gz stuff
  Bzip2 (better compression, slower)    tar -cjvf archive.tar.bz2 stuff
  Bzip2 (better compression, slower)    tar -cJvf archive.tar.xz stuff
  extract files                         tar -xvf archive.tar.<ext>
  zip                                   zip [-b path] archive.zip stuff
  unzip
Bash "for" syntax:                      for f in foo*.pattern; do mv "$f" "${f/%.pattern/.replace}"; done
Performance monitor, show processes     htop
PerfMon that shows hard disk usage      iotop
Show all kinds of helpful system info   inxi -Fxzd
Run script.sh at startup                add script.desktop to /home/USERNAME/.config/autostart/
cat text file to clipboard              cat new_tutoring_student.txt | xsel -b
pv syntax                               pv < inputfile > outputfile
in case of an I/O error with dd or pv   sudo ddrescue inputfile outputfile
in case printing suddenly has issues,   try re-enabling cups-browsed
    maybe do                            sudo systemctl enable cups-browsed.service

Edit this file at                       ~/iforgot.txt