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TestDisk can recover deleted files especially if the file was not fragmented and the clusters have not been reused. There are two file recovery mechanisms in the TestDisk package: [2] TestDisk proper uses knowledge of the filesystem structure to perform "undelete". PhotoRec is a "file carver". It does not need any knowledge of the file system ...
Foremost is a forensic data recovery program for Linux that recovers files using their headers, footers, and data structures through a process known as file carving. [3] Although written for law enforcement use, the program and its source code are freely available and can be used as a general data recovery tool. [2]
The magic SysRq key is a key combination understood by the Linux kernel, which allows the user to perform various low-level commands regardless of the system's state. It is often used to recover from freezes , or to reboot a computer without corrupting the filesystem . [ 1 ]
dd is a command-line utility for Unix, Plan 9, Inferno, and Unix-like operating systems and beyond, the primary purpose of which is to convert and copy files. [1] On Unix, device drivers for hardware (such as hard disk drives) and special device files (such as /dev/zero and /dev/random) appear in the file system just like normal files; dd can also read and/or write from/to these files ...
getopt — Parse command line options and parameters. grep — Show lines matching regular expressions. groups — Print the groups a user is in. gunzip — Decompress gz files. halt — Restart, halt or powerdown the system. head — Copy first lines from files to stdout. help — Show usage information for toybox commands. hexedit ...
In computer programming, a usage message or help message is a brief message displayed by a program that utilizes a command-line interface for execution. This message usually consists of the correct command line usage for the program and includes a list of the correct command-line arguments or options acceptable to said program.
It accepted command-line parameters for the cm (cursor addressing) capability, and recognized terminfo capability names. System V Release 3 provided an improved version which combined the different initialization capabilities as a new option init , and the reset capabilities as reset , thereby simplifying use of tput for initializing or ...
Users can navigate the list using the arrow keys and delete files that are taking up too much space by pressing the 'd' key. Version 1.09 and later can export the file listing in JSON format. ncdu was developed by Yoran Heling to learn C and to serve as a disk usage analyzer on remote systems over ssh.