A bunch of new pages:

common/: dig, gzip, rm, sort, zfs, zpool
linux/: apt-get, shutdown
osx/: airport, caffeinate, diskutil, networksetup open, pgrep, qlmanage, say, shutdown, sysctl, system_profiler

Edits to existing pages:
curl: Added simple download example
find: Added iname and size exmaples
grep: Edited -c description
ps: Added wide lines example
ssh: edited -D description, added simple port forwarding example
unzip: added list option

common/curl.md

@@ -3,6 +3,10 @@
 > Transfers data from or to a server
 > Supports most protocols including HTTP, FTP, POP
 
+- Download a URL to a file
+
+`curl "{{URL}}" -o filename` 
+
 - send form-encoded data
 
 `curl --data {{name=bob}} {{http://localhost/form}}`

common/dig.md

@@ -0,0 +1,15 @@
+# dig
+
+> DNS Lookup utility
+
+- Lookup the IP(s) associated with a hostname (A records)
+
+``dig +short {{hostname.com}}
+
+- Lookup the mail associated with a given domain name (MX records)
+
+``dig +short {{hostname.com}} MX
+
+- Specify an alternate DNS server to query (8.8.8.8 is google's public DNS)
+
+`dig @8.8.8.8 {{hostname.com}}`

common/find.md

@@ -15,3 +15,9 @@
 - find files modified since a certain time
 
 `find {{root_path}} -name {{'*.py'}} -mtime {{-1d}}`
+
+- find files using case insensitive name matching, of a certain size
+
+`find {{root_path}} -size +120k -iname {{'*.dOC'}} `
+`find {{root_path}} -size -100M -iname {{'*.moV'}} `
+`find {{root_path}} -size -1.2T -size +800G -iname {{'*.TaR.gZ'}} `

common/grep.md

@@ -19,7 +19,7 @@
 
 `grep -C 3 {{something}} {{file_path}}`
 
-- print the number of matches
+- print the count of matches instead of the matching text 
 
 `grep -c {{something}} {{file_path}}`
 

common/gzip.md

@@ -0,0 +1,23 @@
+# gzip
+
+> Compress/uncompress files with gzip compression (LZ77)   
+
+- compress a file, replacing it with a gzipped compressed version
+
+`gzip {{file.ext}}
+
+- decompress a file, replacing it with the original uncomrpessed version
+
+`gzip -d {{file.ext.gz}}
+
+- compress a file specifying the output filename
+
+`gzip -c {{file.ext}} > compressed-file.ext.gz
+
+- uncompress a gzipped file specifying the output filename
+
+`gzip -c -d {{file.ext.gz}} > uncompressed-file.ext
+
+- specify the compression level. 1=Fastest (Worst), 9=Slowest (Best), Default level is 6
+
+`gzip -9 -c {{file.ext}} > compressed-file.ext.gz`

common/ps.md

@@ -5,3 +5,7 @@
 - list all running processes
 
 `ps aux`
+
+- list all running processes including the full command string
+
+`ps auxww`

common/rm.md

@@ -0,0 +1,15 @@
+# rm
+
+> Remove files or directories
+
+- Remove files from arbitrary 
+
+`rm {{/path/to/file}} {{/otherpath/to/file2}}`
+
+- Remove recursively a directory and all it's subdirectories
+
+`rm -r {{/path/to/folder}}`
+
+- Prompt before every removal
+
+`rm -i *`

common/sort.md

@@ -0,0 +1,15 @@
+# sort
+
+> sort lines of text files
+
+- Sort a file in ascending order
+
+`sort {{filename}}`
+
+- Sort a file in descending order
+
+`sort -r {{filename}}`
+
+- Sort passwd file by the 3rd field
+
+`sort -t: -k 3n /etc/passwd `

common/ssh.md

@@ -11,6 +11,10 @@
 
 `ssh {{username}}@{{remote_host}} -P {{2222}}`
 
-- ssh tunneling
+- ssh tunneling: dynamic port forwarding (SOCKS proxy on localhost:9999) 
 
 `ssh -D {{9999}} -C {{username}}@{{remote_host}}`
+
+- ssh tunneling: forward a specific port (localhost:9999 to slashdot.org:80)
+
+`ssh -L {{9999}}:slashdot.org:80 {{username}}@{{remote_host}}`

common/unzip.md

@@ -9,3 +9,7 @@
 - extract zip files(s) to given path
 
 `unzip {{files(s)}} -d {{/path/to/put/extracted/files}}`
+
+- list the contents of a zip file without extracting
+
+`unzip -l {{file}}

common/zfs.md

@@ -0,0 +1,27 @@
+# zfs
+
+> Manage ZFS filesystems
+
+- List all available zfs filesystems
+
+`zfs list`
+
+- Create a new ZFS filesystem
+
+`zfs create poolname/newfsname`
+
+- Delete a ZFS filesystem
+
+`zfs destroy {{poolname/newfsname}}`
+
+- Create a Snapshot of a ZFS filesystem
+
+`zfs snapshot {{poolname/filesystem@snapshot-name}}
+
+- Enable compression on a filesystem
+
+`zfs set compression=on {{poolname/fileystem}}
+
+- Change mountpoint for a filesytem
+
+`zfs set mountpoint={{/my/mount/path}} {{poolname/filesystem}}

common/zip.md

@@ -1,6 +1,6 @@
 # zip
 
-> package and compress (archive) files into zip file
+> Package and compress (archive) files into zip file
 
 - package and compress multiple directories & files
 

common/zpool.md

@@ -0,0 +1,33 @@
+# zpool
+
+> Manage ZFS pools
+
+- Show the configuration and status of all ZFS zpools
+
+`zpool status [{{poolname}}]`
+
+- Check a ZFS pool for errors (verifies the checksum of EVERY block). Very CPU and disk intensive.
+
+`zpool scrub {{poolname}}`
+
+- List zpools available for import
+
+`zpool import`
+
+- Import a zpool, optionally specifying a new name
+
+`zpool import {{poolname}}`
+`zpool import {{poolname}} {{newpoolname}}`
+
+- Export a zpool (unmount all filesystems)
+
+`zpool export {{poolname}}`
+
+- Show the history of all pool operations
+
+`zpool histrory {{poolname}}`
+
+- Create a mirrored pool. 
+
+`zpool create {{poolname}} mirror {{disk1}} {{disk2}}`
+`zpool create {{poolname}} mirror {{disk1}} {{disk2}} mirror {{disk3}} {{disk4}}`