15 Commands in 300 seconds
tee - Copy STDIN to STDOUT
caffeinate - Keep your computer awake
$ caffeinate -u -t 300 # keep awake for a 5 mins
$ caffeinate -s wget http://example.net/bigfile.xz # keep awake till big file d/l
lsof - list open files
$ lsof -i # list [i] internet files
sed - A stream editor
$ cat foo | sed '2,3d; s/Chicago/Los Angeles/g'
opendiff - gui to view/merge two files
top / htop - Process / resource monitor
awk - Language for scanning and processing text
$ cat ../foo | awk '{ print $2 }' | sort | uniq
cut - extract characters, fields, etc from input
$ cut -c 2-4 foo and
$ cut -d "," -f 1 foo
paste - join files horizontally to standard output
$ paste -d ":" names ages
join - Join two sorted text files along a common field
$ join ages locales
nc - Tool for reading a writing to network connections. "The Swiss Army Knife" of tcp/udp
$ nc -l 3000
$ while true ; do nc -l 3000 < index.html; done
$ curl -X POST -d "Hello=world" "http://0.0.0.0:3000"
fold - Break a line of text
$ fold -w 10 lorem # break lines from lorem on 10th character
comm - Complimentary of diff
$ comm foo bar
yes - repeats "y" to standard out, good for installs
$ yes
$ yes Centro
nohup - No "hangup"
$ nohup long_command_on_remote_server &
BONUS
banner - Create a banner of text
$ banner David