bash: Batch Renaming File Extensions
Suppose I need to change the file extensions of certain files in a directory. The directory address specified by the user is read into the script in line 2. This…
Finding files on Linux
Finding files on unix and linux Find is an extremely useful command for finding files. It searches based a specified condition at a specified directory and descends into all subdirectories…
yum tutorial
yum stands for ‘Yellowdog Updater Modified’. YellowDog Linux is a rpm based distribution of Linux created for the ppc architecture. Fedora Core took up this package manager as of Fedora…
PHP: Array functions
Passing arrays by value and reference The difference between passing by value and passing by reference is that you when pass by value, you are passing a copy of the…
Reading command-line input in C
Following a program which echos whatever you type in the command line. argc is the count of the number of command-line arguments. argv is array of vectors. Each word is…
Writing Math formulas in HTML
Mathematical formulas can be written in HTML without installing special fonts, MathML, or inserting images. This article shows how this can be done. Symbol Entity Description ¬ ¬ not sign…
tar: 0511-194 Reached end-of-file before expected
This error is caused if the size of your file is larger than the allowed filesize. Suppose the system has a limit of 1 Gb. If you tar and zip…