instruction stringlengths 20 51 | output stringlengths 15 8.88k |
|---|---|
How is the `rm` used? | rm [OPTION]... [FILE]... |
What is the detailed desciption of the `rm`? | This manual page documents the GNU version of rm. rm removes each specified file. By default, it does not re‐
move directories.
If the -I or --interactive=once option is given, and there are more than three files or the -r, -R, or --recur‐
sive are given, then rm prompts the user for whether... |
What does the command `base64` do? | base64 - base64 encode/decode data and print to standard output |
How is the `base64` used? | base64 [OPTION]... [FILE] |
What is the detailed desciption of the `base64`? | Base64 encode or decode FILE, or standard input, to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-d, --decode
decode data
-i, --ignore-garbage
when decoding, ign... |
What does the command `shuf` do? | shuf - generate random permutations |
How is the `shuf` used? | shuf [OPTION]... [FILE]
shuf -e [OPTION]... [ARG]...
shuf -i LO-HI [OPTION]... |
What is the detailed desciption of the `shuf`? | Write a random permutation of the input lines to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-e, --echo
treat each ARG as an input line
-i, --input-range=LO-HI
... |
What does the command `cut` do? | cut - remove sections from each line of files |
How is the `cut` used? | cut OPTION... [FILE]... |
What is the detailed desciption of the `cut`? | Print selected parts of lines from each FILE to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-b, --bytes=LIST
select only these bytes
-c, --characters=LIST
selec... |
What does the command `paste` do? | paste - merge lines of files |
How is the `paste` used? | paste [OPTION]... [FILE]... |
What is the detailed desciption of the `paste`? | Write lines consisting of the sequentially corresponding lines from each FILE, separated by TABs, to standard
output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-d, --delimiters=LIST
reuse... |
What does the command `ptx` do? | ptx - produce a permuted index of file contents |
How is the `ptx` used? | ptx [OPTION]... [INPUT]... (without -G)
ptx -G [OPTION]... [INPUT [OUTPUT]] |
What is the detailed desciption of the `ptx`? | Output a permuted index, including context, of the words in the input files.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-A, --auto-reference
output automatically generated references
-G, --t... |
What does the command `unexpand` do? | unexpand - convert spaces to tabs |
How is the `unexpand` used? | unexpand [OPTION]... [FILE]... |
What is the detailed desciption of the `unexpand`? | Convert blanks in each FILE to tabs, writing to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-a, --all
convert all blanks, instead of just initial blanks
--first-only
... |
What does the command `sha1sum` do? | sha1sum - compute and check SHA1 message digest |
How is the `sha1sum` used? | sha1sum [OPTION]... [FILE]... |
What is the detailed desciption of the `sha1sum`? | Print or check SHA1 (160-bit) checksums.
With no FILE, or when FILE is -, read standard input.
-b, --binary
read in binary mode
-c, --check
read checksums from the FILEs and check them
--tag create a BSD-style checksum
-t, --text
read in... |
What does the command `test` do? | test - check file types and compare values |
How is the `test` used? | test EXPRESSION
test
[ EXPRESSION ]
[ ]
[ OPTION |
What is the detailed desciption of the `test`? | Exit with the status determined by EXPRESSION.
--help display this help and exit
--version
output version information and exit
An omitted EXPRESSION defaults to false. Otherwise, EXPRESSION is true or false and sets exit status. It is
one of:
( EXPRESSION )
... |
What does the command `tsort` do? | tsort - perform topological sort |
How is the `tsort` used? | tsort [OPTION] [FILE] |
What is the detailed desciption of the `tsort`? | Write totally ordered list consistent with the partial ordering in FILE.
With no FILE, or when FILE is -, read standard input.
--help display this help and exit
--version
output version information and exit |
What does the command `pathchk` do? | pathchk - check whether file names are valid or portable |
How is the `pathchk` used? | pathchk [OPTION]... NAME... |
What is the detailed desciption of the `pathchk`? | Diagnose invalid or non-portable file names.
-p check for most POSIX systems
-P check for empty names and leading "-"
--portability
check for all POSIX systems (equivalent to -p -P)
--help display this help and exit
--version
output version inf... |
What does the command `od` do? | od - dump files in octal and other formats |
How is the `od` used? | od [OPTION]... [FILE]...
od [-abcdfilosx]... [FILE] [[+]OFFSET[.][b]]
od --traditional [OPTION]... [FILE] [[+]OFFSET[.][b] [+][LABEL][.][b]] |
What is the detailed desciption of the `od`? | Write an unambiguous representation, octal bytes by default, of FILE to standard output. With more than one
FILE argument, concatenate them in the listed order to form the input.
With no FILE, or when FILE is -, read standard input.
If first and second call formats both apply, the second for... |
What does the command `link` do? | link - call the link function to create a link to a file |
How is the `link` used? | link FILE1 FILE2
link OPTION |
What is the detailed desciption of the `link`? | Call the link function to create a link named FILE2 to an existing FILE1.
--help display this help and exit
--version
output version information and exit |
What does the command `tee` do? | tee - read from standard input and write to standard output and files |
How is the `tee` used? | tee [OPTION]... [FILE]... |
What is the detailed desciption of the `tee`? | Copy standard input to each FILE, and also to standard output.
-a, --append
append to the given FILEs, do not overwrite
-i, --ignore-interrupts
ignore interrupt signals
-p operate in a more appropriate MODE with pipes.
--output-error[=MODE]
s... |
What does the command `cksum` do? | cksum - compute and verify file checksums |
How is the `cksum` used? | cksum [OPTION]... [FILE]... |
What is the detailed desciption of the `cksum`? | Print or verify checksums. By default use the 32 bit CRC algorithm.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-a, --algorithm=TYPE
select the digest type to use. See DIGEST below.
--base6... |
What does the command `timeout` do? | timeout - run a command with a time limit |
How is the `timeout` used? | timeout [OPTION] DURATION COMMAND [ARG]...
timeout [OPTION] |
What is the detailed desciption of the `timeout`? | Start COMMAND, and kill it if still running after DURATION.
Mandatory arguments to long options are mandatory for short options too.
--preserve-status
exit with the same status as COMMAND, even when the
command times out
--foreground
when not running ... |
What does the command `factor` do? | factor - factor numbers |
How is the `factor` used? | factor [OPTION] [NUMBER]... |
What is the detailed desciption of the `factor`? | Print the prime factors of each specified integer NUMBER. If none are specified on the command line, read them
from standard input.
-h, --exponents
print repeated factors in form p^e unless e is 1
--help display this help and exit
--version
output version inf... |
What does the command `df` do? | df - report file system space usage |
How is the `df` used? | df [OPTION]... [FILE]... |
What is the detailed desciption of the `df`? | This manual page documents the GNU version of df. df displays the amount of space
available on the file system containing each file name argument. If no file name is
given, the space available on all currently mounted file systems is shown. Space is
shown in 1K blocks by default, unless the en... |
What does the command `cp` do? | cp - copy files and directories |
How is the `cp` used? | cp [OPTION]... [-T] SOURCE DEST
cp [OPTION]... SOURCE... DIRECTORY
cp [OPTION]... -t DIRECTORY SOURCE... |
What is the detailed desciption of the `cp`? | Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.
Mandatory arguments to long options are mandatory for short options too.
-a, --archive
same as -dR --preserve=all
--attributes-only
don't copy the file data, just the attributes
--backup[=CONTROL]
... |
What does the command `join` do? | join - join lines of two files on a common field |
How is the `join` used? | join [OPTION]... FILE1 FILE2 |
What is the detailed desciption of the `join`? | For each pair of input lines with identical join fields, write a line to standard output. The default join
field is the first, delimited by blanks.
When FILE1 or FILE2 (not both) is -, read standard input.
-a FILENUM
also print unpairable lines from file FILENUM, where FILENUM... |
What does the command `sha256sum` do? | sha256sum - compute and check SHA256 message digest |
How is the `sha256sum` used? | sha256sum [OPTION]... [FILE]... |
What is the detailed desciption of the `sha256sum`? | Print or check SHA256 (256-bit) checksums.
With no FILE, or when FILE is -, read standard input.
-b, --binary
read in binary mode
-c, --check
read checksums from the FILEs and check them
--tag create a BSD-style checksum
-t, --text
read ... |
What does the command `uniq` do? | uniq - report or omit repeated lines |
How is the `uniq` used? | uniq [OPTION]... [INPUT [OUTPUT]] |
What is the detailed desciption of the `uniq`? | Filter adjacent matching lines from INPUT (or standard input), writing to OUTPUT (or standard output).
With no options, matching lines are merged to the first occurrence.
Mandatory arguments to long options are mandatory for short options too.
-c, --count
prefix lines by the number... |
What does the command `sha512sum` do? | sha512sum - compute and check SHA512 message digest |
How is the `sha512sum` used? | sha512sum [OPTION]... [FILE]... |
What is the detailed desciption of the `sha512sum`? | Print or check SHA512 (512-bit) checksums.
With no FILE, or when FILE is -, read standard input.
-b, --binary
read in binary mode
-c, --check
read checksums from the FILEs and check them
--tag create a BSD-style checksum
-t, --text
read ... |
What does the command `base32` do? | base32 - base32 encode/decode data and print to standard output |
How is the `base32` used? | base32 [OPTION]... [FILE] |
What is the detailed desciption of the `base32`? | Base32 encode or decode FILE, or standard input, to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-d, --decode
decode data
-i, --ignore-garbage
when decoding, ign... |
What does the command `dirname` do? | dirname - strip last component from file name |
How is the `dirname` used? | dirname [OPTION] NAME... |
What is the detailed desciption of the `dirname`? | Output each NAME with its last non-slash component and trailing slashes removed; if NAME contains no /'s, output
'.' (meaning the current directory).
-z, --zero
end each output line with NUL, not newline
--help display this help and exit
--version
output versio... |
What does the command `numfmt` do? | numfmt - Convert numbers from/to human-readable strings |
How is the `numfmt` used? | numfmt [OPTION]... [NUMBER]... |
What is the detailed desciption of the `numfmt`? | Reformat NUMBER(s), or the numbers from standard input if none are specified.
Mandatory arguments to long options are mandatory for short options too.
--debug
print warnings about invalid input
-d, --delimiter=X
use X instead of whitespace for field delimiter
... |
What does the command `dir` do? | dir - list directory contents |
How is the `dir` used? | dir [OPTION]... [FILE]... |
What is the detailed desciption of the `dir`? | List information about the FILEs (the current directory by default). Sort entries
alphabetically if none of -cftuvSUX nor --sort is specified.
Mandatory arguments to long options are mandatory for short options too.
-a, --all
do not ignore entries starting with .
-A, --al... |
What does the command `groups` do? | groups - print the groups a user is in |
How is the `groups` used? | groups [OPTION]... [USERNAME]... |
What is the detailed desciption of the `groups`? | Print group memberships for each USERNAME or, if no USERNAME is specified, for the current process (which may
differ if the groups database has changed).
--help display this help and exit
--version
output version information and exit |
What does the command `printenv` do? | printenv - print all or part of environment |
How is the `printenv` used? | printenv [OPTION]... [VARIABLE]... |
What is the detailed desciption of the `printenv`? | Print the values of the specified environment VARIABLE(s). If no VARIABLE is specified, print name and value
pairs for them all.
-0, --null
end each output line with NUL, not newline
--help display this help and exit
--version
output version information and... |
What does the command `shred` do? | shred - overwrite a file to hide its contents, and optionally delete it |
How is the `shred` used? | shred [OPTION]... FILE... |
What is the detailed desciption of the `shred`? | Overwrite the specified FILE(s) repeatedly, in order to make it harder for even very expensive hardware probing
to recover the data.
If FILE is -, shred standard output.
Mandatory arguments to long options are mandatory for short options too.
-f, --force
change permissions ... |
What does the command `du` do? | du - estimate file space usage |
How is the `du` used? | du [OPTION]... [FILE]...
du [OPTION]... --files0-from=F |
What is the detailed desciption of the `du`? | Summarize device usage of the set of FILEs, recursively for directories.
Mandatory arguments to long options are mandatory for short options too.
-0, --null
end each output line with NUL, not newline
-a, --all
write counts for all files, not just directories
-... |
What does the command `sha224sum` do? | sha224sum - compute and check SHA224 message digest |
How is the `sha224sum` used? | sha224sum [OPTION]... [FILE]... |
What is the detailed desciption of the `sha224sum`? | Print or check SHA224 (224-bit) checksums.
With no FILE, or when FILE is -, read standard input.
-b, --binary
read in binary mode
-c, --check
read checksums from the FILEs and check them
--tag create a BSD-style checksum
-t, --text
read ... |
What does the command `chgrp` do? | chgrp - change group ownership |
How is the `chgrp` used? | chgrp [OPTION]... GROUP FILE...
chgrp [OPTION]... --reference=RFILE FILE... |
What is the detailed desciption of the `chgrp`? | Change the group of each FILE to GROUP. With --reference, change the group of each
FILE to that of RFILE.
-c, --changes
like verbose but report only when a change is made
-f, --silent, --quiet
suppress most error messages
-v, --verbose
output a ... |
What does the command `touch` do? | touch - change file timestamps |
How is the `touch` used? | touch [OPTION]... FILE... |
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