stest(1)

NAME

   stest - filter a list of files by properties

SYNOPSIS

   stest [-abcdefghlpqrsuwx] [-n file] [-o file] [file...]

DESCRIPTION

   stest  takes  a  list  of  files  and filters by the files' properties,
   analogous to test(1).  Files  which  pass  all  tests  are  printed  to
   stdout. If no files are given, stest reads files from stdin.

OPTIONS

   -a     Test hidden files.

   -b     Test that files are block specials.

   -c     Test that files are character specials.

   -d     Test that files are directories.

   -e     Test that files exist.

   -f     Test that files are regular files.

   -g     Test that files have their set-group-ID flag set.

   -h     Test that files are symbolic links.

   -l     Test the contents of a directory given as an argument.

   -n file
          Test that files are newer than file.

   -o file
          Test that files are older than file.

   -p     Test that files are named pipes.

   -q     No files are printed, only the exit status is returned.

   -r     Test that files are readable.

   -s     Test that files are not empty.

   -u     Test that files have their set-user-ID flag set.

   -v     Invert the sense of tests, only failing files pass.

   -w     Test that files are writable.

   -x     Test that files are executable.

EXIT STATUS

   0      At least one file passed all tests.

   1      No files passed all tests.

   2      An error occurred.

SEE ALSO

   dmenu(1), test(1)

                               dmenu-4.6                          STEST(1)

Opportunity

Personal Opportunity - Free software gives you access to billions of dollars of software at no cost. Use this software for your business, personal use or to develop a profitable skill. Access to source code provides access to a level of capabilities/information that companies protect though copyrights. Open source is a core component of the Internet and it is available to you. Leverage the billions of dollars in resources and capabilities to build a career, establish a business or change the world. The potential is endless for those who understand the opportunity.

Business Opportunity - Goldman Sachs, IBM and countless large corporations are leveraging open source to reduce costs, develop products and increase their bottom lines. Learn what these companies know about open source and how open source can give you the advantage.

Free Software

Free Software provides computer programs and capabilities at no cost but more importantly, it provides the freedom to run, edit, contribute to, and share the software. The importance of free software is a matter of access, not price. Software at no cost is a benefit but ownership rights to the software and source code is far more significant.

Free Office Software - The Libre Office suite provides top desktop productivity tools for free. This includes, a word processor, spreadsheet, presentation engine, drawing and flowcharting, database and math applications. Libre Office is available for Linux or Windows.

Free Books

The Free Books Library is a collection of thousands of the most popular public domain books in an online readable format. The collection includes great classical literature and more recent works where the U.S. copyright has expired. These books are yours to read and use without restrictions.

Source Code - Want to change a program or know how it works? Open Source provides the source code for its programs so that anyone can use, modify or learn how to write those programs themselves. Visit the GNU source code repositories to download the source.

Education

Study at Harvard, Stanford or MIT - Open edX provides free online courses from Harvard, MIT, Columbia, UC Berkeley and other top Universities. Hundreds of courses for almost all major subjects and course levels. Open edx also offers some paid courses and selected certifications.

Linux Manual Pages - A man or manual page is a form of software documentation found on Linux/Unix operating systems. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.