Shells: 01- Introduction - Linux Commands

Shell Scripts are the main feature of linux distributions.

Lets know what wikepedia defined about shell scripts[wikipedia page]. Before starting shell script we must learn some important linux/unix commands which makes wonder with shell scripting.

GENERAL COMMANDS

Command	Description	Help Page [man]
apropos	apropos searches a set of database files containing short descriptions of system commands for keywords and displays the result on the standard output.	apropos
Ps2pdf	The ps2pdf scripts are work-alikes for nearly all the functionality (but not the user interface) of Adobe's Acrobat Distiller product: they convert PostScript files to Portable Document Format (PDF) files.	ps2pdf
which	Which takes one or more arguments. For each of its arguments it prints to stdout the full path of the executables that would have been executed when this argument had been entered at the shell prompt.	which
time	The time command runs the specified program command with the given arguments. When command finishes, time writes a message to standard output giving timing statistics about this program run.	time
cd	Change the current directory to dir. The variable HOME is the default dir.	cd
gzip	Gzip reduces the size of the named files using Lempel-Ziv coding (LZ77). Whenever possible, each file is replaced by one with the extension .gz, while keeping the same ownership modes, access and modification times.	gzip
echo	Echo the STRING(s) to standard output.	echo

Now the TRICKY part TRY : echo "I live in `locale territory`"

Linux is great right ?