Contents
Short Descriptions
is a hard link to stty |
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locates commands by keyword lookup |
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is a hard link to either oawk or nawk, depending on directory |
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makes posters |
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returns a non‐directory portion of a pathname |
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is the arbitrary‐precision arithmetic language |
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is a wrapper around diff with support for big files |
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is a read-only wrapper around ed with support for big files |
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prints a calendar |
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is a reminder service |
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is the backend for calendar |
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concatenates and prints files |
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creates the formatted files for the reference manual |
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changes groups in file permissions |
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changes the mode of a file |
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changes the owner of a file |
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runs a command with the specified directory as / |
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prints file checksums and sizes |
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compares two files |
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selects or rejects lines common to two sorted files |
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copies groups of files |
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copies files |
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copies file archives in and out |
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reads a file and writes it in pieces |
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cuts out selected fields of each line of a file |
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prints or sets the date |
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is the desk calculator |
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converts and copies a file |
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removes nroff/troff, tbl and eqn constructs |
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prints filesystem statistics |
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is a hard link to df |
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is a differential file comparison tool |
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is a 3-way differential file comparison tool |
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is the backend for diff3 |
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is the backend for diff -h |
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compares directories |
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returns the directory portion of a pathname |
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summarizes disk usage |
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echoes arguments |
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is a text editor |
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searches a file for a pattern using full regular expressions |
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sets environment for a command invocation |
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converts tabs to spaces |
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evaluates arguments as an expression |
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factors a number |
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always returns 255 |
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searches a file for a character string |
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determines file type |
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finds files |
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is a simple text formatter |
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displays a message in standard format |
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folds long lines |
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gets configuration values |
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parses command options |
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searches a file for a pattern |
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shows group memberships |
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displays files in hexadecimal format |
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displays first few lines of files |
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sets or prints name of current host system |
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prints user and group IDs and names |
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installs files |
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is the relational database operator |
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terminates a process |
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lists contents of a directory |
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reads one line |
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prints a list of user logins |
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makes links |
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lists login information |
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gets a login name |
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lists context of a directory |
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sends or receives mail among users |
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finds and displays reference manual pages |
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permits or denies messages |
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makes a directory |
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makes a FIFO special file |
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builds a device node |
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browses through a text file |
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is the magnetic tape utility |
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moves or renames files and directories |
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moves a directory |
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is the new version of a program for manipulating text files |
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changes the format of a text file |
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prints news items |
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runs a command at low priority |
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is the line numbering filter |
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runs a command while ignoring hangups |
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is the old version of a program for manipulating text files |
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displays files in octal format |
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pages through a text file |
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merges same lines of several files or subsequent lines of one file |
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checks pathnames |
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is the Portable Archiver |
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is the file perusal filter for CRTs |
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finds processes by names and other attributes |
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signals processes by names and other attributes |
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prints files |
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prints out the environment |
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prints a text string |
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controls the process scheduler |
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prints process status |
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displays processor information |
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times a command |
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prints the working directory name |
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generates a random number |
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displays the target of a symbolic link |
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alters priority of running processes |
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removes files |
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removes directories |
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prints file differences side-by-side |
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is the stream editor |
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prints a sequence of numbers |
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sets process group ID and session ID |
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changes the access and modification dates of files |
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is the shell layer manager |
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suspends execution for an interval |
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sorts or merges files |
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finds spelling errors |
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splits a file into pieces |
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sets the options for a terminal |
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helps you become superuser or another user |
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sums and counts blocks in a file |
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updates the superblock |
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sets terminal tabs |
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displays the last few lines of a file |
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is a tool for magnetic tape maintenance |
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provides tape control for tape devices |
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is the tape archiver |
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copies a magnetic tape |
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transcribes stdin to stdout while making a copy in a file |
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validates a condition |
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times a command |
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updates file access and modification times |
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translates characters |
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always returns 0 |
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topologically sorts entries |
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gets the terminal name |
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underlines |
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gets the system name |
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converts spaces to tabs |
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reports repeated lines in a file |
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is a unit conversion program |
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shows how long a system has been up for |
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displays a compact list of users logged on |
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displays who is on and what they are doing |
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executes a command repeatedly |
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prints word count |
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displays a one-line summary about a keyword |
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displays who is on the system |
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displays the current effective username |
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prints who is doing what |
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constructs argument lists and executes commands |
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prints a string repeatedly |