12 articles tagged "bash shell"

Windows PowerShell vs UNIX BASH Shell
Shell scripting is fun. It is useful to create nice (perhaps ugly) things (read as solutions) in shell scripting. Now Windows got Powershell. But how does PowerShell measure up to traditional shells like Bash?
An Interview With Chet Ramey - Maintainer Of Bash Shell
In this article ComputerWorld chat to Chet Ramey about his experience maintaining Bash.
Access Google Calendar From Linux / UNIX / Mac OS X Command Line Interface
I use Google Calendar exclusively. However to access this product you need to use a web browser. There is nice program called gcalcli (Google Calendar Command Line Interface) which allows to access Google Calendar from bash shell. Now I can see an agenda using a specified start/end time and date from a shell prompt [...]
Linux / UNIX: Determine where a binary command is stored / located on file system
You can use “type” or “whereis” command to find out which command shell executes and to print binary (command) file location for specified command.
whereis command example
Display ls command location along with man page path:
whereis ls
Output:
ls: /bin/ls /usr/share/man/man1p/ls.1p.gz /usr/share/man/man1/ls.1.gz
type command example
Find out which command the shell executes:
type -a ls
Output:
ls is aliased to `ls [...]
nixCraft FAQ Roundup June 19, 2007
Recently updated/posted Linux and UNIX FAQ (mostly useful to Linux/UNIX new administrators or users) :

Update Fedora 7 Linux
OpenBSD install BASH shell package
Star / Stop FTP server on FreeBSD / OpenBSD
How to install Linux / UNIX *.tar.gz tarball files
Install Language support in CentOS 5 or Red Hat Enterprise Linux
Display or view the perl cgi errors [...]
How to debug a Shell Script under Linux or UNIX
Raju asks:
How can I Debug a shell scripts?
This is most common question asked by new admins or UNIX user.
Shell scripting debugging can be boring job (read as not easy). There are various ways to debug a shell script.
-x option to debug a shell script
Run a shell script with -x option.
$ bash -x script-name
$ bash -x [...]
nixCraft FAQ Roundup Oct 29, 2008
Couple of quick question answered by me:
=> Host a domain without CPanel or Plesk Control Panel
=> Bash shell display only hidden (dot) files
=> Monitor Linux user activity in real time
=> Apache name based VirtualHost example
=> How do I find out my mail server blacklisted?
=> Solaris find out a package which a file [...]
Linux/UNIX: Find Out If File Exists With Conditional Expressions

Explains how to find out if a file exists or not under Linux / UNIX bash shell.
How BASH Shell Command Search Sequence Works
This article was organically contributed by monk.
HASH tables and PATH is not the first method locating your program / executable files. Your program can be a shell function or builtin command or an alias. Here is the complete sequence adopted by BASH shell to execute your command:

Before a command is executed REDIRECTION is done. Then [...]
How Linux or UNIX Understand which program to run - PART I
This article was organically contributed by monk.
When you are logged in to a Linux server and you type a command. It is the responsibility of the shell to interpret your command. Here I will explain how BASH shell finds out which program to run. The method used by SHELL is straightforward but often creates confusion [...]