LinuxLinks.com is a big collection of Linux related site Links.
URL: http://www.linuxlinks.com/
One Day One Command
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, >>, | — Redirection Operators.
Summary:
By using some special notation, we can redirect the output of many
commands to files, devices, even to the input of other commands and
pass the output of one command as input to another command. There are
3 Type redirections are available in shell:
1) Standard Output, 2) Standard Input and 3) Pipe
Students, Are you looking for a Beginner level Project in Compiler?
Check it. URL: http://gcc.gnu.org/projects/beginner.html
One Day One Command
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gphoto2 — Client to access the Digital cameras.
Summary:
gphoto2 is a command-line client written using the gphoto2 cross
platform digital camera library. We can access the digital cameras,
which is connected to a GNU/Linux System thru the USB Port.
Dr. Bjarne Stroustrup, designer and implementor of C++ language.
URL: http://www.research.att.com/~bs/homepage.html
One Day One Command
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mpstat — Report processor(s) related statistics.
Summary:
The mpstat command writes to standard output activities for each
available processors, processor 0 being the first one. Global average
activities among all processors are also reported.
Dennis Ritchie, Core developer of Unix OS and Creator of C Language.
URL: http://www.cs.bell-labs.com/who/dmr/index.html
One Day One Command
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script — Record the user’s activities on a terminal.
Summary:
Script makes a typescript/record of everything printed on your
terminal. It is useful for anyone, who need a hard copy record of an
interactive session as proof, and the typescript text file can be
printed.
Press Ctrl+D/exit/logout to Stop the Script Program.
Prof. Douglas Comer, author of the Network & OS Books and Creator
of Xinu OS. URL: http://www.cs.purdue.edu/people/comer
One Day One Command
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halt — Stop the System.
Summary:
Halt notes that the system is being brought down in the /var/log/wtmp,
file and then either tells the kernel to halt, reboot or poweroff the
system. Halt invoke shutdown, if the system is not in runlevel 0 or 6.
Prof Andrew S. Tanenbaum (AST) Author of many OS and Network Books
and Creator of Minix & Amoeba OS. URL: http://www.cs.vu.nl/~ast/
One Day One Command
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host — DNS Look-up Utility
Summary:
host is a simple utility for performing DNS (Domain Name Service)
lookups. It is normally used to convert names to IP addresses and
vice versa.
Richard W Stevens author of UNIX Networking Programming and
TCP/IP Illustrated Book series. URL: http://www.kohala.com/
One Day One Command
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hdparm — Get/Set Hard Disk Parameters.
Summary:
hdparm provides a command line interface to various hard disk ioctls
supported by the stock Linux ATA/IDE device driver subsystem.
You *MUST* read the man page completely, if you want to do anything
else, apart from this examples.
Read more
Edsger Wybe Dijkstra (EWD) was one of the most influential members of
computing science’s founding generation and he honored by ACM Turing
Award. URL: http://www.cs.utexas.edu/users/EWD/
One Day One Command
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lsof — LiSt Open Files.
Summary:
lsof lists all open files belonging to all active processes. An open
file may be a regular file, a Dir, a special file, an executing text
reference, a library, a stream or a network file (Internet socket, NFS
file or UNIX domain socket).
One Day One Command
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strace — Trace System Calls and Signals.
Summary:
In the simplest case strace runs the specified command until it exits.
It intercepts and records the system calls which are called by a
process and the signals which are received by a process. The name of
each system call, its arguments and its return value are printed.
strace is a useful diagnostic, instructional, and debugging tool.
Linux From Scratch (LFS) is a project that provides you with
step-by-step instructions for building your own GNU/Linux OS
from source code. URL: http://www.linuxfromscratch.org/
One Day One Command
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ltrace — Library call TRACEr
Summary:
ltrace is a program that simply runs the specified command until it
exits and intercepts & records the library/system calls, which are
called by the executed process, and the signals, which are received by
that process. It can used study the internal flow of a program.