Tar
Tar (Tape ARchiver) is a command-line utility in Unix-like operating systems used for archiving multiple files into a single file, often with the .tar extension. It combines files without compression, but is commonly paired with compression tools like gzip or bzip2 to create compressed archives (e.g., .tar.gz). Tar is essential for bundling directories, backing up data, and distributing software packages.
Developers should learn Tar for efficient file management tasks such as creating backups, packaging source code for distribution, and transferring large sets of files across systems. It is particularly useful in DevOps and system administration for automating deployment scripts and handling log files, as it preserves file permissions and directory structures.