File permission in a Linux environment provides privileges to the owner or administrators to execute programs or applications. Permissions are set for the files or directories using chmod and chown commands with read, write and execute notations. Special permissions such as setuid, setgid, and sticky bits are initiated for executable files or directories; the user needs to pay more attention when these special permissions are set because they may impose security risks to all other users. Each file present in the directories has userId termed as uid and groupId as gid specified by the owner of the file, to execute ... Read More

Introduction Each file stored in computer memory has specific information that is given by the user. The files stored in the file system can be in various forms like image, audio, video, text etc. All these forms of data have different format extensions. Operating system is responsible for managing the operations of the file that are stored in the computer. The input file data can be stored in primary memory or secondary memory devices to store and retrieve information. The file is represented in terms of bits, bytes, or any records that can be defined by the author of the ... Read More

DivX and AVI are popular multimedia file formats for storing and transmitting digital video content. While they are related, they serve different purposes and have unique properties. DivX is a video codec that compresses video files, whereas AVI is a versatile multimedia container format that may hold video and audio content that has been compressed using several codecs. Read this article to find out more about DivX and AVI and how they are different from each other. What is DivX? DivX is a video codec developed by DivX, LLC. It initially relied on the MPEG-4 Part 2 video compression standard, ... Read More

GZIP and TAR are two independent tools that serve different purposes but are widely used together to create compressed archive files on Unix and Linux systems. GZIP is a common compression technique and file format for compressing individual files. The TAR (Tape Archive) file archiving program is widely used on Unix and Linux systems Read this article to find out more about GZIP and TAR and how they are different from each other What is GZIP? GZIP is a common compression technique and file format for compressing individual files. It is commonly used in Unix and Linux systems, and its ... Read More