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The possible search criteria include a pattern to match against the filename or a time range to match against the modification time or access time of the file. By default, find returns a list of all files below the current working directory, although users can limit the search to any desired maximum number of levels under the starting directory.
Copy files PDP-7 UNIX crontab: Misc Mandatory Schedule periodic background work System V csplit: Text processing Mandatory Split files based on context PWB UNIX ctags: C programming Optional (SD) Create a tags file 3BSD cut: Text processing Mandatory Cut out selected fields of each line of a file System III cxref: C programming Optional (XSI)
Before it was named, grep was a private utility written by Ken Thompson to search files for certain patterns. Doug McIlroy, unaware of its existence, asked Thompson to write such a program. Responding that he would think about such a utility overnight, Thompson actually corrected bugs and made improvements for about an hour on his own program ...
for all files in use by the process, including the executing text file and the shared libraries it is using: the file descriptor number of the file, if applicable; the file's access mode; the file's lock status; the file's device numbers; the file's inode number; the file's size or offset; the name of the file system containing the file;
Changes the permissions of a file or directory cp: Copies a file or directory dd: Copies and converts a file df: Shows disk free space on file systems dir: Is exactly like "ls -C -b". (Files are by default listed in columns and sorted vertically.) dircolors: Set up color for ls: install: Copies files and set attributes ln: Creates a link to a ...
ldd (List Dynamic Dependencies) is a *nix utility that prints the shared libraries required by each program or shared library specified on the command line. [1] It was developed by Roland McGrath and Ulrich Drepper. [2]
Like sed and grep, it is a filter, [4] and it is a standard feature of most Unix-like operating systems. The AWK language is a data-driven scripting language consisting of a set of actions to be taken against streams of textual data – either run directly on files or used as part of a pipeline – for purposes of extracting or transforming ...
ngrep (network grep) is a network packet analyzer written by Jordan Ritter.It has a command-line interface, and relies upon the pcap library and the GNU regex library.. ngrep supports Berkeley Packet Filter logic to select network sources or destinations or protocols, and also allows matching patterns or regular expressions in the data payload of packets using GNU grep syntax, showing packet ...