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ofbaabtra as a part of mentoring program. This is not
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2. Shell Programming inUbuntuMohammed Jawad N
[email protected]/usernametwitter.com/usernamein.linkedin.com/in/profilename8590332199
3. SHELL PROGRAMMING IN UBUNTU Shell is a program that takes
commands from the keyboardand gives them to the operating system to
perform Bash (Bourne Again Shell) TERMINAL: Program that opens a
window and lets youinteract with the shell There are two primary
ways to use the shell: interactivelyinteractivelyand by writing
shell scripts. In the interactive mode, the user types a single
commandand the result is printed out 4. COMMANDS Pwd - (print
working directory) cd - (change directory) ls - (list files and
directories). less (view text files) cp - copy files and
directories mv - move or rename files and directories rm - remove
files and directories mkdir - create directories 5. type - Display
information about command type help - Display reference page for
shell builtin man - Display an on-line command reference chmod -
modify file access rights su - temporarily become the superuser
sudo - temporarily become the superuser Echo- command to display
text or value of variable. 6. SHELL SCRIPTING a shell script is a
file containing a series of commands. To be executable, a shell
script file must meet some conditions: The file must have a special
first line that names an appropriatecommand processor#!/bin/bash
The file must be made executable by changing its permission bits.
Anexample:$ chmod +x (shell script filename) In shell scripting,
the user types anything from a few lines to an entireprogram into a
text editor, then executes the resulting text file as a
shellscript. 7. If this presentation helped you, please visit
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