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Reference

  • ASCII table

    This page was adapted from here. ASCII stands for American Standard Code for Information Interchange. Below is the ASCII character table, including descriptions of the first 32 characters. ASCII was originally designed for use with teletypes, and so the descriptions are somewhat obscure and their use is frequently not as...

  • Linux Commands

    Commands are directives to a command-line interpreter or a shell. Commands usually accept command-line arguments such as the target path of an operation or options to alter the operation of the command. There are two types of commands: shell builtins and external programs. Shell builtins usually implement simple or trival...

  • File Compression Commands

    File Compression tar zcvf archive.tar.gz files... – create a gzip-compressed archive tar zxvf archive.tar.gz – decompress and extract archived files to current directory gzip file.txt – compresses a file (creates file.txt.gz) and removes the original, uncompressed version gunzip file.txt.gz – uncompresses a file that was compressed with gzip or compress...

  • Formatting

    Members of the Hofstra community are free to contribute to this site. This area provides resources to help contributors develop rich content.

  • Git Reference

    Concepts and Definitions repository a project tracked by Git, consisting of commits & branches, usually stored with project files and directories in a working directory remote repository a repository that is not on your local machine; usually, it is hosted by an online provider such as GitHub or GitLab working...

  • Software Licenses

    Open source software is software for which the original source code is freely available and may be redistributed and modified. In addition to providing access to the source code, open source software must comply with a number of criteria, among them free distribution and no discrimination against persons, groups, or...

  • Regular Expressions

    Resources A Brief Introduction to Regular Expressions

  • Unix file permissions

    All files and directories on a Unix-like system are assigned an owner, a group, and a set of permission flags that specify the read, write, and execute permissions for the “user” (owner), “group”, and “other”. Group permissions apply to all users who belong to the group associated with the file....

  • Vim Reference

    For another Vim quick reference sheet, take a look at this: Vim Cheat Sheet Vim Commands Command Description :q Quit – fails when there are unsaved changes :q! Forcibly quits without writing changes. :x Exit – quits and saves changes :w Write changes to disk :w <file> Write the current...