Fixed cheat sheets to conform to the standard style more closely

cheat/cheatsheets/alias

@@ -1,11 +1,5 @@
-# alias - Creates an alias of a command
+# Show a list of your current shell aliases
-*Stick these in your .bashrc/.bash_profile for permenant use, otherwise lost on re-entry
+alias
 
+# Map `ll` to `ls -l` (Can be used per session or put inside a shell config file)
 alias ll='ls -l'
-alias lll='ls -al'
-alias vi='vim'
-alias ..='cd ..'
-alias c='clear'
-alias rkhunter='rkhunter --versioncheck --update --autox --skip-keypress --check'
-
-Running just `alias' will show your current aliases.

cheat/cheatsheets/cat

@@ -1,10 +1,8 @@
-# cat - concatenate and print files
+# Display the contents of a file
-cat [-benstuv] [filename]
+cat /path/to/foo
 
--b : Number non blank lines (1 indexed)
+# Display contents with line numbers
--e : Display non printing chars
+cat -n /path/to/foo
--n : Number output (1 indexed)
+
--s : Single spaced output
+# Display contents with line numbers (blank lines excluded)
--t : Display non printing chars (Tab as `^I')
+cat -b /path/to/foo
--u : Disable output buffering
--v : Display all non printing chars no matter what

cheat/cheatsheets/cp

@@ -1,14 +1,8 @@
-# cp - copy. Copies a file or directory
+# Create a copy of a file
-cp [-a, -f, -H, -i, -L, -n, -p, -P, -R, -X] [-v] [source] [target]
+cp ~/Desktop/foo.txt ~/Downloads/foo.txt
 
--a : Same as -pPR
+# Create a copy of a directory
--f : Force
+cp -r ~/Desktop/cruise_pics/ ~/Pictures/
--H : Follow sym links
+
--i : Prompt before overwrite
+# Create a copy but ask to overwrite if the destination file already exists
--L : If -R, follow sym links
+cp -i ~/Desktop/foo.txt ~/Documents/foo.txt
--n : Do not overwrite
--P : If -R, Do not follow sym links (Default)
--p : Preserve meta data
--R : Recursive (cp directories)
--X : Do not copy extended attributes or resource forks
--v : Verbose

cheat/cheatsheets/export

@@ -1,5 +1,5 @@
-# Export makes a variable something that will be included in child process environments
-export VARNAME="value"
-
 # Calling export with no arguments will show current shell attributes
 export
+
+# Create new environment variable
+export VARNAME="value"

cheat/cheatsheets/kill

@@ -1,7 +1,5 @@
-# kill - Kills a process
+# Kill a process gracefully
+kill -15 <process id>
 
-# Kill gracefully
+# Kill a process forcefully
-kill -15 [PID]
+kill -9 <process id>
-
-# Force kill (*Only use if -15 does not work first, this is dirty*)
-kill -9 [PID]

cheat/cheatsheets/mv

@@ -1,7 +1,14 @@
-# mv - move. Moves a file or directory
+# Move a file from one place to another
-mv [-f, -i, -n] [-v] [source] [target]
+mv ~/Desktop/foo.txt ~/Documents/foo.txt
 
--f : No prompt before overwriting something in target destination. Overrides any previous -i or -n args.
+# Move a file from one place to another and automatically overwrite if the destination file exists
--i : Prompt before overwriting something. Overrides any previous -f or -n args.
+# (This will override any previous -i or -n args)
--n : Do not overwrite anything. Overrides any previous -f or -i args.
+mv -f ~/Desktop/foo.txt ~/Documents/foo.txt
--v : Verbose
+
+# Move a file from one place to another but ask before overwriting an existing file
+# (This will override any previous -f or -n args)
+mv -i ~/Desktop/foo.txt ~/Documents/foo.txt
+
+# Move a file from one place to another but never overwrite anything
+# (This will override any previous -f or -i args)
+mv -n ~/Desktop/foo.txt ~/Documents/foo.txt

cheat/cheatsheets/pwd

@@ -1,3 +1,2 @@
-# Print Working Directory
+# Show the absolute path of your current working directory on the filesystem
-# The `pwd' command will show you the absolute path of your current directory on the filesystem
 pwd

cheat/cheatsheets/wc

@@ -1,7 +1,18 @@
-# wc - word count (or lines, characters, or bytes)
+# Count the number of words (file or STDIN)
-wc [-clmw] [output]
+wc -w /path/to/foo.txt
+cat /path/to/foo.txt | wc -w
 
--c : Number of bytes (cancels -m opt)
+# Count the number of lines (file or STDIN)
--l : Number of lines
+wc -l /path/to/foo.txt
--m : Number of characters (cancels -c opt)
+cat /path/to/foo.txt | wc -l
--w : Number of words
+
+# Count the number of bytes (file or STDIN)
+wc -c /path/to/foo.txt
+cat /path/to/foo.txt | wc -c
+
+# Count files and directories at a given location
+ls -l | wc -l
+
+# If you ever use `wc` in a shell script and need to compare the output with an int you can
+# clean the output (wc returns extra characters around the integer) by using xargs:
+ls -l | wc -l | xargs