gnulinuxclub

Professor Donald E. Knuth, Author of the Holy “The Art of Computer
Programming” books and Creator of the Powerful Document Preparation
Tool, LaTeX. URL: http://www-cs-faculty.stanford.edu/~knuth/

One Day One Command
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umask — Default file-creation permission mask.

Summary:

umask is used to set the default permission for files, which is
created by the user. To get the actual default permissions, the
mask should be XOR-ed with 0666 for files and 0777 for folders.

For example, if umask is 0002, then (0002 ^ 0666) = 0664 is the
default permission for files.     

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Open Office (OO) is a multi-platform and multilingual office suite and
an FOSS project. Compatible with all other major office suites. It is
free to download, use, modify and distribute.
URL: http://www.OpenOffice.org/

One Day One Command
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lsattr — List special file attributes on a Ext2 FS

Summary:

Apart from normal access permission (RWX) attributes, Ext2 File System
(FS) is providing few extra bit to set some special attribute to each
file in the FS.

‘lsattr’ command is used to display the file’s special attributes on a
Ext2 or Ext3 FS.
   

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Linux.Org is designed to act as a central source of Linux information,
as a voice for the promotion and advocacy of the Linux based OS and
information about the contributors. URL: http://www.linux.org/

One Day One Command
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chattr — Change File Attributes on a Ext2 File System.

Summary:

Ext2 File System(FS) is providing few extra bit to set some special
attribute to each file in the FS. ‘chattr’ command is used to changes
the file’s special attributes on a Ext2 FS.

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Learn about the History of UNIX and its clones.
URL: http://www.levenez.com/unix/

One Day One Command
===================

play — Play the sound file.

Summary:

Play different types of sound files from the command line. It is a
front end to the more general sox package. Normally, the play will
automatically try to detect the type and other parameters of the sound
file.
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