Merge remote-tracking branch 'upstream/master'

Conflicts:
	pages/common/touch.md

CONTRIBUTING.md

@@ -82,7 +82,7 @@ Detailed explanation:
    git checkout -b <topic-branch-name>
    ```
 
-5. Run `make lint` to check that your page(s) are correct.
+5. Run `make lint` to check that your page(s) are correct. Try to run the commands you are describing to ensure the syntax is correct.
 
 6. Please use the following commit message format: 
    `<command>: type of change`.
@@ -102,15 +102,31 @@ Detailed explanation:
 
 8. [Open a Pull Request](https://help.github.com/articles/using-pull-requests/)
     with a clear title and description.
+    
+    If page is not about a standard Unix/Linux tool, please include a link to the tool home page.
+    
+    If you are changing something non-trivial, not just adding a page for a new tool, please describe why you are doing this.
 
 9. Use Git's
    [interactive rebase](https://help.github.com/articles/interactive-rebase)
    feature to tidy up your commits before making them public.
+   
+   If you are not familiar with `git rebase`, it might be helpful to check out these video tutorials:
+   - [Git Rebase: squash last commits](https://www.youtube.com/watch?v=qh9KtjfjzCU)
+   - [Learning Git Tutorial: Interactive Rebasing](https://www.youtube.com/watch?v=NW46XmvJh5Q)
+   
    In most cases it is better to squash commits before submitting a pull request.
 
-10. If you are asked to amend your changes before they can be merged in, please
-   use `git commit --amend` and force push to your remote feature branch.
-   You may also be asked to squash commits.
+10. If you do not want to do a rebasing, you can overwrite your last commit in pull request, while you have only a single commit. You can achieve this with `git commit --amend` command.
+
+   ```bash
+   # When you are on topic branch of your pull request
+   # Fix your files
+   
+   git add .              # Register edited files
+   git commit --amend     # Do amended commit
+   git push --force       # Overwrite your branch
+   ```
 
 
 ## Licensing

MAINTAINERS

@@ -1,6 +0,0 @@
-Romain Prieto <romain.prieto@gmail.com> (@rprieto)
-Igor Shubovych <igor.shubovych@gmail.com> (@igorshubovych)
-Ruben Vereecken <rubenvereecken@gmail.com> (@rubenvereecken)
-Waldir Pimenta <waldyrious@gmail.com> (@waldyrious)
-Felix Yan <felixonmars@archlinux.org> (@felixonmars)
-Leandro Ostera <leandro@ostera.io> (@ostera)

README.md

@@ -41,21 +41,28 @@ for the most common UNIX / Linux / OSX / SunOS commands.
 You can access these pages on your computer using one of the following clients:
 
 - [Node.js client](https://github.com/tldr-pages/tldr-node-client) : `npm install -g tldr`
-- [Python client](https://github.com/tldr-pages/tldr-python-client) : `pip install tldr`
-- [Python client](https://github.com/lord63/tldr.py): `pip install tldr.py`
+- Python clients:
+  - [tldr-python-client](https://github.com/tldr-pages/tldr-python-client) : `pip install tldr`
+  - [tldr.py](https://github.com/lord63/tldr.py): `pip install tldr.py`
 - [Go client](https://github.com/pranavraja/tldr): `go get github.com/pranavraja/tldr`
-  or [platform binaries](https://github.com/pranavraja/tldr/releases)
-- [Elixir client](https://github.com/tldr-pages/tldr_elixir_client): binaries available soon
-- [C++ client](https://github.com/tldr-pages/tldr-cpp-client): `brew tap tldr-pages/tldr && brew install tldr`
-- Android client:
+  (or [platform binaries](https://github.com/pranavraja/tldr/releases))
+- [Elixir client](https://github.com/tldr-pages/tldr_elixir_client) (binaries not yet available)
+- [C++ client](https://github.com/tldr-pages/tldr-cpp-client): `brew install tldr-pages/tldr/tldr`
+- Android clients:
   - [tldr-viewer](https://github.com/gianasista/tldr-viewer), available on
     [Google Play](https://play.google.com/store/apps/details?id=de.gianasista.tldr_viewer)
   - [tldroid](https://github.com/hidroh/tldroid), available on
     [Google Play](https://play.google.com/store/apps/details?id=io.github.hidroh.tldroid)
 - [Ruby client](https://github.com/YellowApple/tldrb): `gem install tldrb`
+- Rust clients:
+    - [rust-tldr](https://github.com/rilut/rust-tldr) (online lookup): `cargo install tldr`
+    - [tldr-rs](https://github.com/dbrgn/tldr-rs) (offline caching, not yet published)
 - [R client](https://github.com/kirillseva/tldrrr): `devtools::install_github('kirillseva/tldrrr')`
-- [Web client](https://github.com/ostera/tldr.jsx): try tldr on your browser
-  [here](https://ostera.github.io/tldr.jsx)!
+- [Dart client](https://github.com/hterkelsen/tldr): `pub global activate tldr`
+- [Web client](https://github.com/ostera/tldr.jsx): https://ostera.github.io/tldr.jsx
+- [Perl5 client](https://github.com/shoichikaji/perl-tldr): `cpanm App::tldr`
+- [Emacs client](https://github.com/kuanyui/tldr.el)
+- [Bash client](https://github.com/raylee/tldr)
 
 Let us know if you are building one and we can add it to this list!
 
@@ -67,3 +74,9 @@ Let us know if you are building one and we can add it to this list!
 Contributions are most welcome!
 Have a look at the [contributing guidelines](https://github.com/tldr-pages/tldr/blob/master/CONTRIBUTING.md)
 and go ahead!
+
+## Similar projects
+
+- [Cheat](https://github.com/chrisallenlane/cheat) allows you to create and view interactive cheatsheets on the command-line. It was designed to help remind *nix system administrators of options for commands that they use frequently, but not frequently enough to remember.
+
+- [Bro pages](http://bropages.org/) are a highly readable supplement to man pages. Bro pages show concise, common-case examples for Unix commands.

pages/common/7za.md

@@ -0,0 +1,19 @@
+# 7za
+
+> A file archiver with high compression ratio
+
+- compress directory or file
+
+`7za a {{compressed.7z}} {{directory_or_file_to_compress}}`
+
+- decompress an existing 7z file with original directory structure
+
+`7za x {{compressed.7z}}`
+
+- compress to zip format
+
+`7za a -tzip {{compressed.zip}} {{directory_or_file_to_compress}}`
+
+- create multipart 7zip file; `part_size` specifies part size in Bytes, Kilobytes, Megabytes or Gigabytes.
+
+`7za -v{{part_size}}{{[b|k|m|g]}} {{compressed.7z}} {{directory_or_file_to_compress}}`

pages/common/adb.md

@@ -0,0 +1,19 @@
+# Android Debug Bridge
+
+> Communicate with an Android emulator instance or connected Android devices
+
+- Check whether the adb server process is running and start it
+
+`adb start-server`
+
+- Terminate the adb server process
+
+`adb kill-server`
+
+- Start a remote shell in the target emulator/device instance
+
+`adb shell`
+
+- Push an Android application to an emulator/device
+
+`adb install -r {{apk.path}}`

pages/common/bash.md

@@ -0,0 +1,20 @@
+# bash
+
+> Bourne-Again SHell
+> `sh`-compatible command line interpreter.
+
+- Start interactive command line interpreter
+
+`bash`
+
+- Execute command passed as parameter
+
+`bash -c {{command}}`
+
+- Run commands from file (script)
+
+`bash {{file}}`
+
+- Run commands from file and print them as they are executed
+
+`bash -x {{file}}`

pages/common/bashmarks.md

@@ -0,0 +1,23 @@
+# bashmarks
+
+> Save and jump to commonly used directories using 1 character commands.
+
+- List available bookmarks
+
+`l`
+
+- Save the current folder as "bookmark_name"
+
+`s {{bookmark_name}}`
+
+- Go to a bookmarked folder
+
+`g {{bookmark_name}}`
+
+- Print a bookmarked folder's contents
+
+`p {{bookmark_name}}`
+
+- Delete a bookmark
+
+`d {{bookmark_name}}`

pages/common/cowsay.md

@@ -0,0 +1,15 @@
+# cowsay
+
+> Generate an ASCII character like a cow or sheep saying or thinking something
+
+- Print an ASCII cow saying "Hello world!"
+
+`cowsay "Hello world!"`
+
+- Print an ASCII dragon saying "Hello!"
+
+`echo "Hello!" | cowsay -f dragon`
+
+- Print a stoned thinking ASCII cow
+
+`cowthink -s "I'm just a cow, not a great thinker ..."`

pages/common/curl.md

@@ -5,7 +5,7 @@
 
 - Download a URL to a file
 
-`curl "{{URL}}" -o filename`
+`curl "{{URL}}" -o {{filename}}`
 
 - send form-encoded data
 

pages/common/docker.md

@@ -18,3 +18,11 @@
 - Stop a container
 
 `docker stop {{container}}`
+
+- Start a container from an image and get a shell inside of it
+
+`docker run -it {{image}} bash`
+
+- Run a command inside of an already running container
+
+`docker exec {{container}} {{command}}`

pages/common/enca.md

@@ -0,0 +1,19 @@
+# enca
+
+> Detect and convert encoding of text files
+
+- detect file(s) encoding according to your system's locale
+
+`enca {{file(s)}}`
+
+- detect file(s) encoding; -L option tells enca the current language; language is in the POSIX/C locale format, e.g. zh_CN, en_US etc.
+
+`enca -L {{language}} {{file(s)}}`
+
+- convert file(s) to specified encoding
+
+`enca -L {{language}} -x {{to_encoding}} {{file(s)}}`
+
+- save original_file as new_file and convert new_file to specified encoding
+
+`enca -L {{language}} -x {{to_encoding}} < {{original_file}} > {{new_file}}`

pages/common/fortune.md

@@ -0,0 +1,27 @@
+# fortune
+
+> Print a random quotation (fortune-cookie style)
+
+- Print a quotation
+
+`fortune`
+
+- Print a quotation from a given database
+
+`fortune {{database}}`
+
+- Print a list of quotation databases
+
+`fortune -f`
+
+- Print an offensive quotation
+
+`fortune -o`
+
+- Print a long quotation
+
+`fortune -l`
+
+- Print a short quotation
+
+`fortune -s`

pages/common/git-svn.md

@@ -0,0 +1,15 @@
+# git svn
+
+> Bidirectional operation between a Subversion repository and Git
+
+- clone an SVN repository
+
+`git svn clone {{http://example.com/my_subversion_repo}} {{local_dir}}`
+
+- update local clone from the upstream SVN repository
+
+`git svn rebase`
+
+- commit back to SVN repository
+
+`git svn dcommit`

pages/common/grep.md

@@ -23,6 +23,10 @@
 
 `grep -c {{something}} {{file_path}}`
 
+- print line number for each match
+
+`grep -n {{something}} {{file_path}}`
+
 - use the standard input instead of a file
 
 `cat {{file_path}} | grep {{something}}`

pages/common/host.md

@@ -1,6 +1,6 @@
 # host
 
-Lookup Domain Name Server
+> Lookup Domain Name Server
 
 - Lookup A, AAAA, and MX records of a domain
 

pages/common/ionice.md

@@ -0,0 +1,17 @@
+# ionice
+
+> Get or set program I/O scheduling class and priority.
+> Scheduling classes: 1 (realtime), 2 (best-effort), 3 (idle).
+> Priority levels: 0 (the highest) - 7 (the lowest).
+
+- Set I/O scheduling class of a running process
+
+`ionice -c {{scheduling_class}} -p {{pid}}`
+
+- Run a command with custom I/O scheduling class and priority
+
+`ionice -c {{scheduling_class}} -n {{priority}} {{command}}`
+
+- Print the I/O scheduling class and priority of a running process
+
+`ionice -p {{pid}}`

pages/common/last.md

@@ -0,0 +1,27 @@
+# last
+
+> View the last logged in users
+
+- view last logins, their duration  and other information as read from /var/log/wtmp
+
+`last`
+
+- specify how many of the last logins to show
+
+`last -n {{login_count}}`
+
+- view full login times and dates
+
+`last -F`
+
+- view the last login by a specific user
+
+`last {{user_name}}`
+
+- view the last reboot (last login of the pseudo user reboot)
+
+`last reboot`
+
+- view the last shutdown (last login of the pseudo user shutdown)
+
+`last shutdown`

pages/common/ln.md

@@ -10,10 +10,6 @@
 
 `ln -sf {{path/to/new/original/file}} {{path/to/file/link}}`
 
-- overwrite a symbolic link to a folder
-
-`ln -sfT {{path/to/new/original/file}} {{path/to/folder/link}}`
-
-- create a hard link to a file or folder
+- create a hard link to a file
 
 `ln {{path/to/original/file}} {{path/to/link}}`

pages/common/mailx.md

@@ -0,0 +1,27 @@
+# mailx
+
+> Send and receive mail.
+
+- To send mail, the content is typed after the command and ended with Control-D
+
+`mailx -s "{{subject}}" {{to_addr}}`
+
+- Send mail with short content.
+
+`echo "{{content}}" | mailx -s "{{subject}}" {{to_addr}}`
+
+- Send mail with content which written in a file.
+
+`mailx -s "{{subject}}" {{to_addr}} < {{content.txt}}`
+
+- Send mail to a recipient and CC to another address.
+
+`mailx -s "{{subject}}" -c {{cc_addr}} {{to_addr}}`
+
+- Send mail and set sender address.
+
+`mailx -s "{{subject}}" -r {{from_addr}} {{to_addr}}`
+
+- Send mail with an attachment.
+
+`mailx -a {{file}} -s "{{subject}}" {{to_addr}}`

pages/common/make.md

@@ -0,0 +1,21 @@
+# make
+
+> Task runner for rules described in Makefile.
+> Mostly used to control the compilation of an executable from source code.
+
+- Call the all rule
+
+`make`
+
+- Call a specific rule
+
+`make {{rule}}`
+
+- Use specific Makefile
+
+`make -f {{file}}`
+
+- Execute make from another directory
+
+`make -C {{directory}}`
+

pages/common/mocha.md

@@ -0,0 +1,23 @@
+# mocha
+
+> Execute Mocha JavaScript test runner
+
+- Run tests with default configuration or as configured in `mocha.opts`
+
+`mocha`
+
+- Run tests contained at a specific location
+
+`mocha {{folder/with/tests}}`
+
+- Run tests that match a specific grep pattern
+
+`mocha --grep {{^regex$}}`
+
+- Run tests on changes to JavaScript files in the current directory and once initially
+
+`mocha --watch`
+
+- Run tests with a specific reporter
+
+`mocha --reporter {{reporter}}`

pages/common/nginx.md

@@ -13,3 +13,7 @@
 - Start server with a prefix for all relative paths in config file
 
 `nginx -c {{config_file}} -p {{prefix/for/relative/paths}}`
+
+- Test configuration without affecting the running server
+
+`nginx -t`

pages/common/pass.md

@@ -0,0 +1,28 @@
+# pass
+
+> safely store and read passwords or other sensitive data easily
+> all data is GPG-encrypted, and managed with a git repository
+
+- initialize the storage using a gpg-id for encryption
+
+`pass init {{gpg_id}}`
+
+- save a new password (prompts you for the value without echoing it)
+
+`pass insert {{path/to/data}}`
+
+- copy a password (first line of the data file) to the clipboard
+
+`pass -c {{path/to/data}}`
+
+- list the whole store tree
+
+`pass`
+
+- generate a new random password with a given length, and copy it to the clipboard
+
+`pass generate -c {{path/to/data}} {{num}}`
+
+- run any git command against the underlying store repository
+
+`pass git {{git-arguments}}`

pages/common/pgrep.md

@@ -4,16 +4,12 @@
 
 - return PIDs of any running processes with a matching command string
 
-`pgrep {{Finder}}`
+`pgrep {{process_name}}`
 
 - search full command line with parameters instead of just the process name
 
-`pgrep -f "{{ssh root}}"`
+`pgrep -f "{{process_name}} {{parameter}}"`
 
 - search for process run by a specific user
 
-`pgrep -u root {{firefox}}`
-
-- kill all processes which match
-
-`pkill -9 {{Finder}}`
+`pgrep -u root {{process_name}}`

pages/common/pkill.md

@@ -0,0 +1,12 @@
+# pkill
+
+> Signal process by name
+> Mostly used for stopping processes
+
+- kill all processes which match
+
+`pkill -9 {{process_name}}`
+
+- send SIGUSR1 signal to processes which match
+
+`pkill -USR1 {{process_name}}`

pages/common/sass.md

@@ -0,0 +1,19 @@
+# Sass
+
+> Converts SCSS or Sass files to CSS
+
+- Output converted file to stdout
+
+`sass {{inputfile.(scss|sass)}}`
+
+- Immediately convert SCSS or Sass file to CSS to specified output file
+
+`sass {{inputfile.(scss|sass)}} {{outputfile.css}}`
+
+- Watch SCSS or Sass file for changes and output or update CSS file with same filename
+
+`sass --watch {{inputfile.(scss|sass)}}`
+
+- Watch SCSS or Sass file for changes and output or update CSS file with specified filename
+
+`sass --watch {{inputfile.(scss|sass)}}:{{outputfile.css}}`

pages/common/sl.md

@@ -0,0 +1,15 @@
+# sl
+
+> Steam locomotive running through your terminal.
+
+- Let a steam locomotive run through your terminal.
+
+`sl`
+
+- The train burns, people scream.
+
+`sl -a`
+
+- Let the train fly.
+
+`sl -F`

pages/common/ssh.md

@@ -17,7 +17,7 @@
 
 - run a command on a remote server
 
-`ssh {{remote_host}} "{{command -with -flags}}"`
+`ssh {{remote_host}} {{command -with -flags}}`
 
 - ssh tunneling: dynamic port forwarding (SOCKS proxy on localhost:9999)
 

pages/common/su.md

@@ -0,0 +1,11 @@
+# su
+
+> switch shell to another user
+
+- Switch to user {{username}} (password required):
+
+`su {{username}}`
+
+- Switch to superuser (admin password required):
+
+`su`

pages/common/tcpdump.md

@@ -14,9 +14,9 @@
 
 `tcpdump host {{www.example.com}}`
 
-- capture the traffic from a specific interface, source, destination and port
+- capture the traffic from a specific interface, source, destination and destination port
 
-`tcpdump -i {{eth0}} src {{192.168.1.1}} dest {{192.168.1.2}} and port 80`
+`tcpdump -i {{eth0}} src {{192.168.1.1}} and dst {{192.168.1.2}} and dst port 80`
 
 - capture the traffic of a network
 

pages/common/touch.md

@@ -2,7 +2,7 @@
 
 > Change a file access and modification times (atime, mtime)
 
-- Create a new empty file(s) or change the times for existing file(s) to current time.
+- Create a new empty file(s) or change the times for existing file(s) to current time
 
 `touch {{filename}}`
 

pages/common/unrar.md

@@ -0,0 +1,19 @@
+# unrar
+
+> Extract RAR archives
+
+- extract files with original directory structure
+
+`unrar x {{compressed.rar}}`
+
+- extract files into current directory, losing directory structure in the archive
+
+`unrar e {{compressed.rar}}`
+
+- test integrity of each file inside the archive file
+
+`unrar t {{compressed.rar}}`
+
+- list files inside the archive file without decompressing it
+
+`unrar l {{compressed.rar}}`

pages/common/vagrant.md

@@ -0,0 +1,23 @@
+# vagrant
+
+> Manage lightweight, reproducible, and portable development environments
+
+- Create Vagrantfile in current folder with the base Vagrant box
+
+`vagrant init`
+
+- Create Vagrantfile with the Ubuntu 14.04 (Trusty Tahr) box from HashiCorp Atlas
+
+`vagrant init ubuntu/trusty32`
+
+- Start and provision the vagrant environment
+
+`vagrant up`
+
+- Suspend the machine
+
+`vagrant suspend`
+
+- Connect to machine via SSH
+
+`vagrant ssh`

pages/common/vim.md

@@ -1,6 +1,6 @@
 # vim
 
-> Vi IMproved, a programmers text editor
+> Vi IMproved, a programmer's text editor
 
 - open a file with cursor at the given line number
 

pages/linux/dpkg-query.md

@@ -0,0 +1,19 @@
+# dpkg-query
+
+> A tool that shows information about installed packages.
+
+- List all installed packages.
+
+`dpkg-query -l`
+
+- List installed packages matching a pattern.
+
+`dpkg-query -l '{{pattern}}'`
+
+- List all files installed by a package.
+
+`dpkg-query -L {{package_name}}`
+
+- Show information about a package.
+
+`dpkg-query -s {{package_name}}`

pages/linux/head.md

@@ -4,16 +4,16 @@
 
 - Output the first few lines of a file
 
-`head -n {{count of lines}} {{filename}}`
+`head -n {{count_of_lines}} {{filename}}`
 
 - Output the first few bytes of a file
 
-`head -c {{size in kilobytes}} {{filename}}`
+`head -c {{size_in_bytes}} {{filename}}`
 
 - Output everything but the last few lines of a file
 
-`head -n -{{count of lines}} {{filename}}`
+`head -n -{{count_of_lines}} {{filename}}`
 
 - Output everything but the last few bytes of a file
 
-`head -c -{{size in kilobytes}} {{filename}}`
+`head -c -{{size_in_bytes}} {{filename}}`

pages/linux/hostname.md

@@ -1,6 +1,6 @@
 # hostname
 
-Show or set the system's host name
+> Show or set the system's host name
 
 - Show current host name
 

pages/linux/jobs.md

@@ -0,0 +1,27 @@
+# jobs
+
+> BASH builtin for viewing information about processes spawned by the current shell.
+
+- view jobs spawned by the current shell
+
+`jobs`
+
+- list jobs and their process ids
+
+`jobs -l`
+
+- display information about jobs with changed status
+
+`jobs -n`
+
+- display process id of process group leader
+
+`jobs -p`
+
+- display running processes
+
+`jobs -r`
+
+- display stopped processes
+
+`jobs -s`

pages/linux/nethogs.md

@@ -0,0 +1,19 @@
+# nethogs
+
+> Monitor bandwidth usage per process
+
+- Start nethogs as root (default device is eth0)
+
+`sudo nethogs`
+
+- Monitor bandwidth on specific device
+
+`sudo nethogs {{device}}`
+
+- Monitor bandwidth on multiple devices
+
+`sudo nethogs {{device1}} {{device2}}`
+
+- Specify refresh rate
+
+`sudo nethogs -t {{seconds}}`

pages/linux/pacman.md

@@ -4,7 +4,7 @@
 
 - synchronize and update all packages
 
-`pacman -Syyu`
+`pacman -Syu`
 
 - install a new package
 
@@ -25,3 +25,11 @@
 - list only the explicitly installed packages and versions
 
 `pacman -Qe`
+
+- find which package owns a certain file
+
+`pacman -Qo filename`
+
+- empty package cache to free up space
+
+`pacman -Scc`

pages/linux/ssh-copy-id.md

@@ -0,0 +1,11 @@
+# ssh-copy-id
+
+> Install your public key in a remote machine's authorized_keys.
+
+- Copy the given public key to the remote
+
+`ssh-copy-id -i {{path/to/certificate}} {{username}}@{{remote_host}}`
+
+- Copy the given public key to the remote with specific port
+
+`ssh-copy-id -i {{path/to/certificate}} -p {{port}} {{username}}@{{remote_host}}`

pages/linux/strace.md

@@ -13,3 +13,7 @@
 - Count time, calls, and errors for each system call and report a summary on program exit.
 
 `strace -p {{pid}} -c`
+
+- Show the time spent in every system call
+
+`strace -p {{pid}} -T`

pages/linux/timedatectl.md

@@ -0,0 +1,19 @@
+# timedatectl
+
+> Control the system time and date
+
+- To check the current system clock time
+
+`timedatectl`
+
+- To set the local time of the system clock directly
+
+`timedatectl set-time {{"yyyy-MM-dd hh:mm:ss"}}`
+
+- To list available timezones
+
+`timedatectl list-timezones`
+
+- To change timezones
+
+`timedatectl set-timezone {{timezone}}`

pages/linux/ulimit.md

@@ -0,0 +1,19 @@
+# ulimit
+
+> Get and set user limits
+
+- get the properties of all the user limits
+
+`ulimit -a`
+
+- get hard limit for the number of simultaneously opened files
+
+`ulimit -H -n`
+
+- get soft limit for the number of simultaneously opened files
+
+`ulimit -S -n`
+
+- set max per-user process limit
+
+`ulimit -u 30`

pages/linux/zypper.md

@@ -0,0 +1,23 @@
+# zypper
+
+> SUSE & openSUSE package management utility
+
+- Synchronize list of packages and versions available
+
+`zypper refresh`
+
+- Install a new package
+
+`zypper install {{package}}`
+
+- Remove a package
+
+`zypper remove {{package}}`
+
+- Upgrade installed packages to newest available versions
+
+`zypper update`
+
+- Search package via keyword
+
+`zypper search {{keyword}}`

pages/osx/ditto.md

@@ -0,0 +1,15 @@
+# ditto
+
+> Copy files and folders
+
+- Overwrites contents of destination folder with contents of source folder
+
+`ditto {{path/to/source}} {{path/to/destination}}`
+
+- print a line to the Terminal window for every file that’s being copied
+
+`ditto -V {{path/to/source}} {{path/to/destination}}`
+
+- copy a given file or folder, while retaining the original file permissions.
+
+`ditto -rsrc {{path/to/source}} {{path/to/destination}}`

pages/osx/head.md

@@ -4,8 +4,8 @@
 
 - Output the first few lines of a file
 
-`head -n {{count of lines}} {{filename}}`
+`head -n {{count_of_lines}} {{filename}}`
 
 - Output the first few bytes of a file
 
-`head -c {{number in kilobytes}} {{filename}}`
+`head -c {{number_in_bytes}} {{filename}}`

pages/osx/hostname.md

@@ -1,6 +1,6 @@
 # hostname
 
-Show or set the system's host name
+> Show or set the system's host name
 
 - Show current host name
 

pages/osx/mdfind.md

@@ -2,11 +2,11 @@
 
 > List files matching a given query
 
-- Find a file by it's name
+- Find a file by its name
 
 `mdfind -name {{file}}`
 
-- Find a file by it's content
+- Find a file by its content
 
 `mdfind {{query}}`