fsck — Linux File System Check and Repair Tool.

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Gipi, a console based jumble like puzzle game is developed by
Mr Dinker Charak. URL: http://sarovar.org/projects/gipi/

One Day One Command
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fsck — Linux File System Check and Repair Tool.

Summary:

‘fsck’ is used to check and optionally repair one or more Linux file
systems. If no file-systems are specified on the command line, fsck
will default to checking file-systems in /etc/fstab file.

In actuality, fsck is simply a front-end for the various file system
checkers (fsck.cramfs, fsck.ext2, fsck.ext3, fsck.jfs, fsck.msdos,
fsck.reiserfs, fsck.vfat, …) available under GNU/Linux OS.

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chkconfig — Update/Show runlevel information for system services.

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ndiX (Indian Language support for GNU/Linux OS), A modified X server
to support Indian languages using OpenType Fonts. Uses Unicode.
URL: http://rohini.ncst.ernet.in/indix (Thanks FUG-Bglr)

One Day One Command
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chkconfig — Update/Show runlevel information for system services.

Summary:

‘chkconfig’ provides a simple command-line tool for maintaining the
/etc/rc[0-6].d directory hierarchy by relieving system administrators
of the task of directly manipulating the numerous symbolic links in
those directories.

A runlevel is a software configuration of the system which allows only
a selected group of processes to exist (man init).

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printenv – Print All/Part of Environment

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Revolution OS is a English documentary movie, about Linux based OS,
directed by Mr J.T.S.Moore. The DVD contains sub-titles for No .of
Languages. If you want to contribute for any of the Indian Language
sub-titles, Kindly contact Mr Shakthi “cyborg4k at yahoo dot com”.

One Day One Command
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printenv – Print All/Part of Environment

Summary:

`printenv’ prints environment variables with its Name and Value.

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shred — Overwrite/Delete a file securely.

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Mr Avinash has developed the iTrans package for printing texts in
many Indian languages and encodings.
URL: http://www.aczone.com/itrans/ (Thanks FSUG-Bangalore)

One Day One Command
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shred — Overwrite/Delete a file securely.

Summary:

Overwrite the specified file repeatedly and remove, in order to make
it harder for even very expensive hardware probing to recover the
data.

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locally checks for signs of a rootkit

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Rootkits are used by intruders to hide and secure their presence on your system. An intruder achieves complete cloaking capability by relying on an administrator to trust the output of various system programs. This assumption is more or less true — most of the time system administrators trust ps to display all processes and ls … Read more

Mount NTFS Drives in Gnu/Linux

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To enable NTFS support in Gnu/Linux,you should have the support for?NTFS your Linux kernel.You can check that by running cat /proc/partitions If you do not have thr NTFS support then you can either compile your Linux kernel for ntfs support or install NTFS modules from http://linux-ntfs.sourceforge.net/ Linux kernel does?not give full NTFS write support on … Read more

sum — Compute and Check .

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Mr Amit Kale has developed kgdb, a source level debugger for Linux
Kernel. It is used along with gdb to debug Linux Kernel.
URL http://kgdb.linsyssoft.com/

One Day One Command
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sum — Compute and Check .

Summary:

`sum’ computes a 16-Bit checksum for each given file(s)/stdin. By
default, it computes checksums using an algorithm compatible with
BSD `sum’ and prints file sizes in units of 1024-byte blocks.

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Encrypting Shell Scripts

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Do you have scripts that contain sensitive information like passwords
and you pretty much depend on file permissions to keep it secure? If
so, then that type of security is good provided you keep your system
secure and some user doesn’t have a “ps -ef” loop running in an attempt
to capture that sensitive info (though some applications mask passwords
in “ps” output). There is a program called “shc” that can be used to
add an extra layer of security to those shell scripts. SHC will encrypt
shell scripts using RC4 and make an executable binary out of the shell
script and run it as a normal shell script. This utility is great for
programs that require a password to either encrypt, decrypt, or require
a password that can be passed to a command line argument.

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locale — Get and show the locale-specific information.

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Linux is included in 11th std Computer Science syllabus in Tamil Nadu.
Linux Users should help the Teachers and Students to understand the
GNU/Linux and FOSS concepts.

One Day One Command
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locale — Get and show the locale-specific information.

Summary:

The locale program writes information about the current locale
environment, or all locales, to screen. Locale is a set of local
environment settings, which is used to describe the Language
Encoding Standard, Date/Time format, Number format, Telephone
Number format, Paper format, etc …

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