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<br>doku.cifnet.com unix_commands http://doku.cifnet.com/ 2024-09-08T00:31:50+00:00 <br>doku.cifnet.com http://doku.cifnet.com/ http://doku.cifnet.com/lib/tpl/mindthedark/images/favicon.ico text/html 2023-02-04T21:18:52+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:awk http://doku.cifnet.com/doku.php?id=unix_commands:awk&rev=1675545532&do=diff awk is a command-line utility in Linux and Unix-like systems like FreeBSD that is used for text processing. It is particularly useful for working with structured text files, such as CSV or tab-separated files. awk reads input files, line by line, and performs actions based on the contents of each line. It can also perform actions based on the overall structure of the input file. text/html 2023-01-22T13:31:42+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:cal http://doku.cifnet.com/doku.php?id=unix_commands:cal&rev=1674394302&do=diff The cal command in Linux and other Unix-like systems like FreeBSD is used to display a calendar of the current month or a specific month and year. The cal command is a simple tool that can be used to quickly view the calendar for the current month or any other month and year. This can be useful for checking the dates or simply for reference. text/html 2023-01-16T04:48:13+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:cat http://doku.cifnet.com/doku.php?id=unix_commands:cat&rev=1673844493&do=diff cat - concatenate and print files Concatenate, or cat, is one of the most frequently used Linux and Unix-like system commands. It lists, combines, and writes file content to the standard output. To run the cat command, type cat followed by the file name. text/html 2023-01-16T04:45:30+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:cd http://doku.cifnet.com/doku.php?id=unix_commands:cd&rev=1673844330&do=diff cd - change directory The cd is a shell builtin command and it may differ slightly from shell to shell. This command helps user to navigate through files and directories. Here's most common uses for this command: 1. Running without an option will take you to your text/html 2023-02-04T21:45:15+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:chmod http://doku.cifnet.com/doku.php?id=unix_commands:chmod&rev=1675547115&do=diff The chmod command in Linux and Unix-like systems like FreeBSD is used to change the permissions of files and directories. Permissions determine who can access and perform certain actions on a file or directory. Let's dive in and understand how to use the text/html 2023-01-18T18:21:32+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:chown http://doku.cifnet.com/doku.php?id=unix_commands:chown&rev=1674066092&do=diff The chown command in Linux and Unix-like systems like FreeBSD is used to change the ownership of a file or directory. It allows you to specify which user and group a file or directory belongs to. The chown command can be used to change both the user and group ownership of a file or directory or only the user or group ownership. text/html 2023-01-17T00:21:24+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:cp http://doku.cifnet.com/doku.php?id=unix_commands:cp&rev=1673914884&do=diff The cp command in Linux and Unix-like systems stands for “copy.” It is used to create a copy of a file or directory. Here is the basic syntax for the cp command: cp [options] source destination source is the file or directory that you want to copy. destination is the file or directory where you want to create the copy. Here are some examples of the cp command in action: text/html 2023-01-16T23:24:46+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:df http://doku.cifnet.com/doku.php?id=unix_commands:df&rev=1673911486&do=diff The df command in Linux and Unix-like systems is used to display information about the file system disk space usage. It shows the total amount of space available, used space, and free space on all file systems, including the file system type, mount points, and other details. text/html 2023-01-16T09:24:02+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:diff http://doku.cifnet.com/doku.php?id=unix_commands:diff&rev=1673861042&do=diff The diff command in Linux and Unix-like systems is used to compare the contents of two files and display the differences. It can be used to compare files on the file system, or the output of two commands. Here is the basic syntax for the diff command: text/html 2023-01-16T23:11:10+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:du http://doku.cifnet.com/doku.php?id=unix_commands:du&rev=1673910670&do=diff The du command in Linux and Unix-like systems is used to estimate the disk space usage of a file or directory. It recursively walks through the directory tree and displays the size of each file and directory, including the total space consumed by the directory and its subdirectories. text/html 2023-01-17T08:11:42+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:echo http://doku.cifnet.com/doku.php?id=unix_commands:echo&rev=1673943102&do=diff The echo command in Linux and Unix-like systems is used to display a line of text or a variable's value on the screen or in a file. Here are a few examples of how the echo command can be used: 1. Display a line of text on the screen: echo Hello, World! text/html 2023-01-22T12:16:15+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:file http://doku.cifnet.com/doku.php?id=unix_commands:file&rev=1674389775&do=diff The file command in Linux and other Unix-like systems like FreeBSD is used to determine the type of a file. It examines the contents of a file and attempts to determine what type of data the file contains. This can be useful in a variety of situations, such as determining if a file is an image, a text file, or an executable. text/html 2023-01-16T09:15:20+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:find http://doku.cifnet.com/doku.php?id=unix_commands:find&rev=1673860520&do=diff The find command in Linux and Unix-like systems is used to search for files and directories in a specified location. It can search for files based on various criteria such as name, type, size, and date modified. Here is the basic syntax for the find text/html 2023-01-16T10:02:54+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:grep http://doku.cifnet.com/doku.php?id=unix_commands:grep&rev=1673863374&do=diff The grep command in Linux and Unix-like systems is used to search for patterns in text files or the output of other commands. It can search for specific words, phrases or regular expressions and it can be used to filter and extract information from text files or command output. text/html 2023-01-17T00:27:31+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:head http://doku.cifnet.com/doku.php?id=unix_commands:head&rev=1673915251&do=diff The head command in Linux and Unix-like systems is used to display the first few lines of a file. By default, it will display the first 10 lines of a file, but this can be modified with options. Here is the basic syntax for the head command: head [options] [file] text/html 2023-01-17T00:19:37+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:history http://doku.cifnet.com/doku.php?id=unix_commands:history&rev=1673914777&do=diff The history command in Linux and Unix-like systems is a command line utility that displays a list of the previously executed commands in the current shell session. By default, the history command will display the commands in the order they were executed, with the most recent commands appearing at the bottom of the list. Each command is preceded by a number, which is the command's history number. text/html 2023-01-15T06:34:27+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:hostname http://doku.cifnet.com/doku.php?id=unix_commands:hostname&rev=1673764467&do=diff hostname - set or print name of current host system The hostname utility prints the name of the current host. The super-user (root) can set the hostname by supplying an argument. For FreeBSD, if you wish to make changes permanent, you'd need also need to edit text/html 2023-01-16T04:53:30+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:hostnamectl http://doku.cifnet.com/doku.php?id=unix_commands:hostnamectl&rev=1673844810&do=diff hostnamectl - control the system hostname and related settings The hostname is a systemd utility that is used to get the Linux operating system information and also to change or set the system hostname. Please refer to hostname article for instructions on how to change hostname in Linux. text/html 2023-01-18T11:54:14+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:jobs http://doku.cifnet.com/doku.php?id=unix_commands:jobs&rev=1674042854&do=diff The jobs command in Linux and Unix-like systems is used to display the status of the current shell's background jobs. A background job is a process that runs in the background rather than in the foreground. Here are a few examples of how the jobs command can be used in text/html 2023-01-17T15:50:08+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:kill http://doku.cifnet.com/doku.php?id=unix_commands:kill&rev=1673970608&do=diff The kill command in Linux and Unix-like systems is used to send a signal to a process to terminate it. The signal can be specified as a number or as the name of a signal, such as SIGTERM or SIGKILL. The basic syntax for kill is: kill [options] pid text/html 2023-01-16T08:06:59+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:locate http://doku.cifnet.com/doku.php?id=unix_commands:locate&rev=1673856419&do=diff The locate command in Linux and Unix-like systems is used to quickly find the location of a file or directory on the file system. It uses a database to search for files, so it is much faster than searching through the entire file system with a command like find. text/html 2023-01-16T04:47:28+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:ls http://doku.cifnet.com/doku.php?id=unix_commands:ls&rev=1673844448&do=diff ls - lists files and directories The ls command is one of the most frequently used Linux and Unix-like system commands. It lists files and directories within a system. When executing without a flag or parameter, the ls command show the current working directory’s content. text/html 2023-01-16T05:07:32+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:man http://doku.cifnet.com/doku.php?id=unix_commands:man&rev=1673845652&do=diff The man command in Linux and Unix-like systems stands for “manual”. It is used to display the manual pages for a specified command. The manual pages contain information about the command including its options, usage, and examples. Here is the basic syntax for the text/html 2023-01-15T08:43:47+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:mkdir http://doku.cifnet.com/doku.php?id=unix_commands:mkdir&rev=1673772227&do=diff The mkdir command in Linux and Unix-like systems stands for “make directory”. It is used to create a new directory. Here is the basic syntax for the mkdir command: mkdir [options] directory_name directory_name is the name of the directory you want to create. text/html 2023-01-17T00:23:27+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:mv http://doku.cifnet.com/doku.php?id=unix_commands:mv&rev=1673915007&do=diff The mv command in Linux and Unix-like systems stands for “move.” It is used to move or rename files or directories. Here is the basic syntax for the mv command: mv [options] source destination * source is the file or directory that you want to move or rename. text/html 2023-01-19T10:55:30+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:passwd http://doku.cifnet.com/doku.php?id=unix_commands:passwd&rev=1674125730&do=diff The passwd command in Linux and Unix-like systems like FreeBSD is used to change a user's password. It's used to set or update the password for a user account. It can also be used to lock or unlock a user account, or to change the password aging information. text/html 2023-01-18T14:04:36+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:ping http://doku.cifnet.com/doku.php?id=unix_commands:ping&rev=1674050676&do=diff The ping command in Linux and Unix-like systems like FreeBSD is used to check the connectivity between a source host and a destination host on a network. It sends Internet Control Message Protocol (ICMP) echo request packets to the host and listens for ICMP echo reply packets in return. text/html 2023-01-17T11:18:07+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:ps http://doku.cifnet.com/doku.php?id=unix_commands:ps&rev=1673954287&do=diff The ps command in Linux and Unix-like systems is used to display information about the currently running processes. It is used to display information about the currently running processes. It provides information such as the process ID (PID), the terminal associated with the process, the status of the process, and the command used to start the process. text/html 2023-01-15T15:21:22+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:pwd http://doku.cifnet.com/doku.php?id=unix_commands:pwd&rev=1673796082&do=diff The pwd command in Linux and Unix-like systems stands for “print working directory”. It is used to display the path of the current working directory that you are in. For example, if you are currently in the “Mail” directory located in your home directory, the text/html 2023-01-16T04:49:46+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:rm http://doku.cifnet.com/doku.php?id=unix_commands:rm&rev=1673844586&do=diff The rm command in Linux and Unix-like systems stands for “remove”. It is used to delete files or directories. Here is the basic syntax for the rm command: rm [options] file_or_directory file_or_directory is the name of the file or directory you want to delete. text/html 2023-01-17T14:42:02+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:sed http://doku.cifnet.com/doku.php?id=unix_commands:sed&rev=1673966522&do=diff sed is a command-line utility in Linux and Unix systems that is used for text processing. It is particularly useful for performing basic text transformations on an input file, such as substitution, deletion and addition of text. The basic syntax for text/html 2023-01-16T08:11:36+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:sort http://doku.cifnet.com/doku.php?id=unix_commands:sort&rev=1673856696&do=diff The sort command in Linux and Unix-like systems is used to sort the lines of a text file or the output of a command. It can sort the lines alphabetically or numerically and can also sort in reverse order. Here is the basic syntax for the sort command: text/html 2023-01-18T15:43:40+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:su http://doku.cifnet.com/doku.php?id=unix_commands:su&rev=1674056620&do=diff The su command in Linux and Unix-like systems like FreeBSD is used to switch the current user to another user, usually the superuser (root) or a specific user. It allows the user to temporarily assume the role and permissions of another user, without logging out and logging back in as that user. text/html 2023-01-18T17:00:55+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:sudo http://doku.cifnet.com/doku.php?id=unix_commands:sudo&rev=1674061255&do=diff The sudo command in Linux and Unix-like systems like FreeBSD is used to execute a command with the privileges of another user, usually the superuser (root). It allows regular users to perform tasks that require root privileges, without logging out and logging back in as the root user. It is considered more secure than the text/html 2023-01-16T07:59:49+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:tail http://doku.cifnet.com/doku.php?id=unix_commands:tail&rev=1673855989&do=diff The tail command in Linux and Unix-like systems is used to display the last few lines of a file. By default, it will display the last 10 lines of a file, but this can be modified with options. Here is the basic syntax for the tail command: tail [options] [file] text/html 2023-01-18T11:00:26+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:tar http://doku.cifnet.com/doku.php?id=unix_commands:tar&rev=1674039626&do=diff The tar command in Linux and Unix-like systems is used to create, extract, and manipulate archive files. A tar archive is a single file that contains multiple files and directories, similar to a zip archive. The tar file format is commonly used for software distribution and backups. text/html 2023-01-18T13:20:27+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:top http://doku.cifnet.com/doku.php?id=unix_commands:top&rev=1674048027&do=diff The top command in Linux and Unix-like systems like FreeBSD is used to display real-time information about the system's processes, including the CPU and memory usage, process IDs, and other system statistics. It provides an interactive, scrolling view of the processes running on a system, sorted by the amount of system resources they are using. text/html 2023-01-17T00:25:12+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:touch http://doku.cifnet.com/doku.php?id=unix_commands:touch&rev=1673915112&do=diff The touch command in Linux and Unix-like systems is used to create new empty files or update the timestamps of existing files. Here is the basic syntax for the touch command: touch [options] file file is the name of the file you want to create or update. Here are some examples of the touch command in action: text/html 2023-01-16T04:54:23+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:uname http://doku.cifnet.com/doku.php?id=unix_commands:uname&rev=1673844863&do=diff uname - will print detailed info about your system The uname (short for unix name) command will print detailed information about your Linux and Unix-like system and hardware. This includes the machine name, operating system, and kernel. To run this command, simply enter uname in your command line: text/html 2023-01-16T20:44:37+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:uniq http://doku.cifnet.com/doku.php?id=unix_commands:uniq&rev=1673901877&do=diff The uniq command in Linux and Unix-like systems is used to filter out the duplicate lines from a sorted file. It compares the adjacent lines and removes the duplicate lines, preserving only one copy of the duplicated lines. Here is the basic syntax for the text/html 2023-01-17T08:42:38+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:unzip http://doku.cifnet.com/doku.php?id=unix_commands:unzip&rev=1673944958&do=diff The unzip command in Linux and Unix-like systems is used to extract the files from a zip archive. The unzip command is the counterpart of the zip command. Here are a few examples of how the unzip command can be used: * Extract all files from a zip archive: text/html 2023-01-18T12:15:32+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:w http://doku.cifnet.com/doku.php?id=unix_commands:w&rev=1674044132&do=diff The w command in Linux and Unix-like systems is used to display information about the users currently logged in to the system and the processes they are running. It shows the user's login name, their terminal, the time they have been logged in, and the command they are currently running. text/html 2023-01-22T12:33:38+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:wc http://doku.cifnet.com/doku.php?id=unix_commands:wc&rev=1674390818&do=diff The wc command in Linux and other Unix-like systems like FreeBSD is used to count the number of lines, words, and characters in a file or input. It is a simple yet powerful tool that can be used for a variety of tasks, such as counting the number of words in a document, checking the size of a file, or even finding the number of lines in a log file. text/html 2023-01-17T08:52:21+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:wget http://doku.cifnet.com/doku.php?id=unix_commands:wget&rev=1673945541&do=diff The wget command in Linux and Unix-like systems is used to download files from the internet via HTTP, HTTPS and FTP protocols. Here are a few examples of how the wget command can be used: * Download a single file: wget http://example-url/file.zip text/html 2023-01-17T08:43:42+00:00 Anonymous (anonymous@undisclosed.example.com) unix_commands:zip http://doku.cifnet.com/doku.php?id=unix_commands:zip&rev=1673945022&do=diff The zip command in Linux and Unix-like systems is used to compress and archive files and directories. It creates a zip archive file with the .zip file extension. The zip command is the counterpart of the unzip command. Here are a few examples of how the