prabhanshubhowal/natural_language_to_linux

nl_command stringlengths 14 387	bash_code stringlengths 0 532
prints the last non-empty line of a file	tac FILE \|egrep -m 1 .
Move all files and directories not starting with "l" in "/mnt/usbdisk" to "/home/user/stuff/."	mv /mnt/usbdisk/[^l]* /home/user/stuff/.
display all the files in the entire file system which are bigger than 10MB	find / -size +10000k
Format time string @$TIMESTAMP according to default time format	date -d @$TIMESTAMP
Find all files named `file1' on the system	find / -name file1
Send command to named screen session with special characters	screen -x $PROCESS -p 0 -X stuff `printf "stop\r"`
Print out the names of broken symlinks in the current directory	for l in $; do cd $; if [ ! -e "$(readlink $)" ]; then echo $l; fi; cd - > /dev/null; done
Find files on the system that are bigger than 20 megabytes and show the sorted list of their filenames	find / -type f -size +20000k -exec ls -lh {} \; 2> /dev/null \| awk '{ print $NF ": " $5 }' \| sort -nrk 2,2
Recursively change the ownership of all directories in the current directory excluding "foo" to "Camsoft"	ls -d * \| grep -v foo \| xargs -d "\n" chown -R Camsoft
Find all the files whose permissions are 777 under current directory	find . -type f -perm 0777 -print
Find all files under /path/to/dir that were modified less than 7 days ago with null character as the delimiter	find /path/to/dir -type f -mtime -7 -print0
Remove all *.sql files in the $backup_path directory tree that were last modified more than 30 days ago	find $backup_path/* -name *.sql -mtime +30 -exec rm {} \;
print all the files in the current folder which do not begin with a capital letter	find . \! -name '[A-Z] *' -exec lpr { }\;
Creates temporary file and saves path to it in a 'tmpfile' variable.	tmpfile=`mktemp`
Locate all *.mov files in the current directory tree	find . -name '*.mov'
Search the dir_data directory and all of its sub-directories for regular files and remove the execute permission for all while adding the write permission for the user.	find ~/dir_data -type f -exec chmod a-x,u+w {} \;
Print numbers from 1 to 5 without separating spaces	seq 5 \| awk '{printf "%s", $0} END {print ""}'
Update timestamps of all files under current directory. Also works on older Unix systems with obsolete 'find' command.	find . -print -exec touch {} \;
Display the mount point of a device file "$path"	mount \| grep "^$path" \| awk '{print $3}'
Save IP address of your SSH session in variable "WORKSTATION"	WORKSTATION=`who -m\|awk '{print $5}'\|sed 's/[]//g'`
Find all broken symlinks under current directory	find -xtype l
Find *.html files in the /usr/src/linux directory tree	find /usr/src/linux -name "*.html"
display a long listing of all the log files in the current folder which are bigger than 1MB	find . -size +1000k -name *.log -print0 \| xargs -0 ls –lSh
display all the files in current folder which have not been modified in the last 7 days	find . -mtime +7
Compare the contents of gzip-ompressed files "file1" and "file2"	diff < <
Create symbolic link "$1/link" to the absolute path of "$2"	ln -s "$" "$1/link"
Remove "_dbg" from all file or directory names under the current directory	rename _dbg.txt .txt */dbg*
Send "yes" 4 times followed by 1 "no" to "./script"	{ yes yes \| sed 4q; yes no \| sed 1q; } \| ./script
find all files in the current directory do not display the files which do not have read permission to all users	find . ! -perm -g+r,u+r,o+r -prune
Search for files/directories which are writable by somebody (their owner, or their group, or anybody else)	find . -perm /222
Search the home directory tree for video files	find ~ -type f -name '.mkv' -o -name '.mp4' -o -name '.wmv' -o -name '.flv' -o -name '.webm' -o -name '.mov'
Print the names of the directories from the paths expanded by the glob pattern /path/to/directory/*	find /path/to/directory/* -maxdepth 0 -type d -exec basename {} \;
Print fourth column of space-separated data from text file text.txt.	cat text.txt \| cut -d " " -f 4
List the current directory recursively ignoring ./src/emacs/ and all its contents	find . -path ./src/emacs -prune -o -print
Send one ping request to host with local address in the 192.168.1.x range, with last number specified by variable "COUNTER", and output only lines containing "ms" to standard output.	ping -c 1 192.168.1.$COUNTER \| grep 'ms'
Find all directories under /home/me/"$d"	find /home/me/"$d" -type d
Find files/directories that does not have write permssion for group	find /path ! -perm /g+w
Print the icmp sequence number and ping time of each request to "127.0.0.1"	ping -c 2 -n 127.0.0.1 \| awk -F'[ =]' -v OFS='\t' 'NR>1 { print $6, $10 }'
Find grub.conf files in entire file system discarding errors	find / -name grub.conf 2>/dev/null
Find all *.txt files/directories under your home directory	find ~ -name "*.txt" -print
Write standard input to standard output and file "/tmp/arjhaiX4"	tee /tmp/arjhaiX4
Copy directory tree preserving UID and GID and leaving user files alone	find . -depth -print \| cpio -o -O /target/directory
Search for files/directories which are writable by either their owner or their group	find . -perm /u+w,g+w
change the owner and group of all the files in the folder /usr/lpp/FINANCIALS	find /usr/lpp/FINANCIALS -print \| xargs chown roger.staff
Show all of the .conf files in Pat's user folder and subdirectories using the less pager	find /home/pat -iname "*.conf" \| less
Print the list of all directories in the /myfiles directory tree	find /myfiles -type d
Display file status for each regular file in the current directory tree	find . -type f -exec stat {} \; > /dev/null
display all the files in the file system which belong to the user "wnj" and which are modified after the file "ttt"	find / -newer ttt -user wnj -print
Generate a random 32 ASCII character password from /dev/urandom and save it to variable 'pass'	pass=$(LC_CTYPE=C < /dev/urandom tr -cd [:graph:] \| tr -d '\n' \| fold -w 32 \| head -n 1)
Print IP addresses of the host name	hostname -I \| awk '{print $1}'
Synchronize "/path/to/dir_b" with files in "/path/to/dir_a/" if the files are newer	rsync -rtuv /path/to/dir_a/* /path/to/dir_b
Recursively removes all files like '.pyc' of '.pyo' in a current folder without prompting.	find . -type f -name "*.py[c\|o]" -exec rm -f {} +
List file contents of compressed file 'compressed.tar.gz'	gzip -l compressed.tar.gz
Removes any empty folder that matches pattern ed*.	rmdir ed*
Delete all files named '-F' under current directory tree	find . -name "-F" -exec rm {} \;
Find all the files on the system that have been accessed within the last hour	find / -amin -60
Make directories to "/my/other/path/here" as needed	mkdir -p /my/other/path/here
Find recursively all files whose names ends with "foo"	find . -name "*foo"
Find files in the /travelphotos that are greater than 200k in size but do not have "2015" anywhere in the file name	find /travelphotos -type f -size +200k -not -iname "2015"
run ls command on *.pl files	find . -name "*.pl" -exec ls -ld {} \;
Find mysong.ogg anywhere under the home directory	find $HOME -name 'mysong.ogg'
List the abc.def files under the directories /ghi and /jkl which have commented entries and display those entries	find /ghi /jkl -type f -name abc.def 2> /dev/null -exec grep -H ^# {} \;
search for the word "foo" in all the regular/normal files in the directory "/path/to/dir"	find /path/to/dir -type f -print0 \| xargs -0 grep -l "foo"
Print the number of entries in the subdirectories of the current directory, stopping search at any device mount points.	sudo find . -xdev -type f \| cut -d "/" -f 2 \| sort \| uniq -c \| sort -n
Print a count of each unique line from standard input sorted from least frequent to most frequent	sort \| uniq -c \| sort -n
Find all files excluding files ending with 'gz', 'tmp' and 'xftp' in their names in the current directory tree and compress them with gzip not preserving timestamp and original name	find . -type f ! \( -name "gz" -o -name "tmp" -o -name "*xftp" \) -exec gzip -n '{}' \;
Find all *.py files/directories under current directory	find . -name *.py
Find SGID files	find / -perm +g=s
Replace any blank character from standard input with a tab	tr '[:blank:]' \\t
Find all directories under current directory excluding those which match the regex /\. in their names	find . -type d \| grep -v '/\.'
Find files/directories that are newer than 'foo.txt' under current directory tree	find -newer foo.txt
Prepend "foo" to the file "bar"	{ echo foo; cat bar; } \| tee bar > /dev/null
Find all files/directories in the entire file system and redirect the output to masterfilelist.out file	find / -print > masterfilelist.out
Set the history time format variable "HISTTIMEFORMAT" to "%s " and display up to event 2	HISTTIMEFORMAT="%s " history 2
Search the current directory recursively for regular files with the extension given as variable $extension	find . -type f -name "*.$extension"
find all the perl files in the current folder	find . -type f -name "*.pl"
Find all pdf files excluding *_signed.pdf files under /some/dir with null character as the delimiter	find /some/dir -name ".pdf" ! -name "_signed.pdf" -print0
List screen session IDs	screen -list
download contents from website "www.example.com" using URL-encoding "paramName=param"	curl --data-urlencode "paramName=param" www.example.com
change the permission of all the directories to 755 in the current folder	find -type d -exec chmod 755 {} \;
Find all files owned by group `root' in the current directory tree and change their user to `temp'	find . -group root -print \| xargs chown temp
Append "foo" and "bar" column in file "file" with values dependent on the current table contents	awk 'NR==1 {print $0, "foo", "bar"; next} {print $0, , }' file \| column -t
Move all regular files under current directory to ./newdir	find ./ -type f -print \| xargs -l56 -I {} mv -f {} ./newdir
Finds files in 'directory' folder with the same name and location but different content than files in 'directory.original' folder and saves location of such files to 'directories' variable.	directories=$(diff -qr directory directory.original \| cut -d' ' -f2 \| xargs dirname \| uniq)
search through only the /usr and /home directories for any file named Chapter1.txt	find /usr /home -name Chapter1.txt -type f
List all broken symlinks excluding cyclic links under current directory	find . -type l -printf "%Y %p\n" \| grep -w '^N'
Print "/tmp/myfile" starting at line 11	tail -n +11 /tmp/myfile
Join strings from 'file1' and 'file2', discarding excessive strings from largest file, and printing first, second and third space-separated field from first file, and third and fourth field from second file as a join result	join -o 1.2,1.3,2.4,2.5,1.4 < <
Identify CMS version/releases accross all your PHPBB installations	find /home//public_html/ -type f -wholename includes/constants.php -exec grep -H "PHPBB_VERSION" {} \;
list all files in /home/bozo/projects directory tree that were modified within the last day	find /home/bozo/projects -mtime -1
search for all regular/normal files in current folder and display all the files which contain 16 lines	find . -type f -print0 \| xargs -0 grep -cH '.' \| grep ':16$'
Find regular files named 'findme.txt' under '/usr' and '/home' directory tree	find /usr /home -name findme.txt -type f -print
check find version	find --version
Recursively add ".jpg" to all files without an extension in the directory tree "/path"	find /path -type f -not -name "." -exec mv "{}" "{}".jpg \;
Find '.java' files with checksum 0bee89b07a248e27c83fc3d5951213c1 in the current directory	md5sum *.java \| grep 0bee89b07a248e27c83fc3d5951213c1
change the permissions of all the regular files in the current folder	find . -type f -exec chmod 500 {} ';'
Creates temporary folder in /tmp/ with 10-letter suffux.	mktemp -d -t
Print the names and sizes of regular files residing in the "dir" directory tree	find dir -type f -printf "f %s %p\n"
Find all directories in the current directory tree that are not accessible by all	find -type d ! -perm -111
Find all *.txt files under the current directory whose names are not "File.txt"	find . -maxdepth 1 -type f -name '*.txt' -not -name File.txt

prints the last non-empty line of a file

tac FILE |egrep -m 1 .

Move all files and directories not starting with "l" in "/mnt/usbdisk" to "/home/user/stuff/."

mv /mnt/usbdisk/[^l]* /home/user/stuff/.

display all the files in the entire file system which are bigger than 10MB

find / -size +10000k

Format time string @$TIMESTAMP according to default time format

date -d @$TIMESTAMP

Find all files named `file1' on the system

find / -name file1

Send command to named screen session with special characters

screen -x $PROCESS -p 0 -X stuff `printf "stop\r"`

Print out the names of broken symlinks in the current directory

for l in $; do cd $; if [ ! -e "$(readlink $)" ]; then echo $l; fi; cd - > /dev/null; done

Find files on the system that are bigger than 20 megabytes and show the sorted list of their filenames

find / -type f -size +20000k -exec ls -lh {} \; 2> /dev/null | awk '{ print $NF ": " $5 }' | sort -nrk 2,2

Recursively change the ownership of all directories in the current directory excluding "foo" to "Camsoft"

ls -d * | grep -v foo | xargs -d "\n" chown -R Camsoft

Find all the files whose permissions are 777 under current directory

find . -type f -perm 0777 -print

Find all files under /path/to/dir that were modified less than 7 days ago with null character as the delimiter

find /path/to/dir -type f -mtime -7 -print0

Remove all *.sql files in the $backup_path directory tree that were last modified more than 30 days ago

find $backup_path/* -name *.sql -mtime +30 -exec rm {} \;

print all the files in the current folder which do not begin with a capital letter

find . \! -name '[A-Z] *' -exec lpr { }\;

Creates temporary file and saves path to it in a 'tmpfile' variable.

tmpfile=`mktemp`

Locate all *.mov files in the current directory tree

find . -name '*.mov'

Search the dir_data directory and all of its sub-directories for regular files and remove the execute permission for all while adding the write permission for the user.

find ~/dir_data -type f -exec chmod a-x,u+w {} \;

Print numbers from 1 to 5 without separating spaces

seq 5 | awk '{printf "%s", $0} END {print ""}'

Update timestamps of all files under current directory. Also works on older Unix systems with obsolete 'find' command.

find . -print -exec touch {} \;

Display the mount point of a device file "$path"

mount | grep "^$path" | awk '{print $3}'

Save IP address of your SSH session in variable "WORKSTATION"

WORKSTATION=`who -m|awk '{print $5}'|sed 's/[]//g'`

Find all broken symlinks under current directory

find -xtype l

Find *.html files in the /usr/src/linux directory tree

find /usr/src/linux -name "*.html"

display a long listing of all the log files in the current folder which are bigger than 1MB

find . -size +1000k -name *.log -print0 | xargs -0 ls –lSh

display all the files in current folder which have not been modified in the last 7 days

find . -mtime +7

Compare the contents of gzip-ompressed files "file1" and "file2"

diff < <

Create symbolic link "$1/link" to the absolute path of "$2"

ln -s "$" "$1/link"

Remove "_dbg" from all file or directory names under the current directory

rename _dbg.txt .txt **/*dbg*

Send "yes" 4 times followed by 1 "no" to "./script"

{ yes yes | sed 4q; yes no | sed 1q; } | ./script

find all files in the current directory do not display the files which do not have read permission to all users

find . ! -perm -g+r,u+r,o+r -prune

Search for files/directories which are writable by somebody (their owner, or their group, or anybody else)

find . -perm /222

Search the home directory tree for video files

find ~ -type f -name '*.mkv' -o -name '*.mp4' -o -name '*.wmv' -o -name '*.flv' -o -name '*.webm' -o -name '*.mov'

Print the names of the directories from the paths expanded by the glob pattern /path/to/directory/*

find /path/to/directory/* -maxdepth 0 -type d -exec basename {} \;

Print fourth column of space-separated data from text file text.txt.

cat text.txt | cut -d " " -f 4

List the current directory recursively ignoring ./src/emacs/ and all its contents

find . -path ./src/emacs -prune -o -print

Send one ping request to host with local address in the 192.168.1.x range, with last number specified by variable "COUNTER", and output only lines containing "ms" to standard output.

ping -c 1 192.168.1.$COUNTER | grep 'ms'

Find all directories under /home/me/"$d"

find /home/me/"$d" -type d

Find files/directories that does not have write permssion for group

find /path ! -perm /g+w

Print the icmp sequence number and ping time of each request to "127.0.0.1"

ping -c 2 -n 127.0.0.1 | awk -F'[ =]' -v OFS='\t' 'NR>1 { print $6, $10 }'

Find grub.conf files in entire file system discarding errors

find / -name grub.conf 2>/dev/null

Find all *.txt files/directories under your home directory

find ~ -name "*.txt" -print

Write standard input to standard output and file "/tmp/arjhaiX4"

tee /tmp/arjhaiX4

Copy directory tree preserving UID and GID and leaving user files alone

find . -depth -print | cpio -o -O /target/directory

Search for files/directories which are writable by either their owner or their group

find . -perm /u+w,g+w

change the owner and group of all the files in the folder /usr/lpp/FINANCIALS

find /usr/lpp/FINANCIALS -print | xargs chown roger.staff

Show all of the .conf files in Pat's user folder and subdirectories using the less pager

find /home/pat -iname "*.conf" | less

Print the list of all directories in the /myfiles directory tree

find /myfiles -type d

Display file status for each regular file in the current directory tree

find . -type f -exec stat {} \; > /dev/null

display all the files in the file system which belong to the user "wnj" and which are modified after the file "ttt"

find / -newer ttt -user wnj -print

Generate a random 32 ASCII character password from /dev/urandom and save it to variable 'pass'

pass=$(LC_CTYPE=C < /dev/urandom tr -cd [:graph:] | tr -d '\n' | fold -w 32 | head -n 1)

Print IP addresses of the host name

hostname -I | awk '{print $1}'

Synchronize "/path/to/dir_b" with files in "/path/to/dir_a/" if the files are newer

rsync -rtuv /path/to/dir_a/* /path/to/dir_b

Recursively removes all files like '*.pyc' of '*.pyo' in a current folder without prompting.

find . -type f -name "*.py[c|o]" -exec rm -f {} +

List file contents of compressed file 'compressed.tar.gz'

gzip -l compressed.tar.gz

Removes any empty folder that matches pattern ed*.

rmdir ed*

Delete all files named '-F' under current directory tree

find . -name "-F" -exec rm {} \;

Find all the files on the system that have been accessed within the last hour

find / -amin -60

Make directories to "/my/other/path/here" as needed

mkdir -p /my/other/path/here

Find recursively all files whose names ends with "foo"

find . -name "*foo"

Find files in the /travelphotos that are greater than 200k in size but do not have "2015" anywhere in the file name

find /travelphotos -type f -size +200k -not -iname "*2015*"

run ls command on *.pl files

find . -name "*.pl" -exec ls -ld {} \;

Find mysong.ogg anywhere under the home directory

find $HOME -name 'mysong.ogg'

List the abc.def files under the directories /ghi and /jkl which have commented entries and display those entries

find /ghi /jkl -type f -name abc.def 2> /dev/null -exec grep -H ^# {} \;

search for the word "foo" in all the regular/normal files in the directory "/path/to/dir"

find /path/to/dir -type f -print0 | xargs -0 grep -l "foo"

Print the number of entries in the subdirectories of the current directory, stopping search at any device mount points.

sudo find . -xdev -type f | cut -d "/" -f 2 | sort | uniq -c | sort -n

Print a count of each unique line from standard input sorted from least frequent to most frequent

sort | uniq -c | sort -n

Find all files excluding files ending with 'gz', 'tmp' and 'xftp' in their names in the current directory tree and compress them with gzip not preserving timestamp and original name

find . -type f ! $ -name "*gz" -o -name "*tmp" -o -name "*xftp" $ -exec gzip -n '{}' \;

Find all *.py files/directories under current directory

find . -name *.py

Find SGID files

find / -perm +g=s

Replace any blank character from standard input with a tab

tr '[:blank:]' \\t

Find all directories under current directory excluding those which match the regex /\. in their names

find . -type d | grep -v '/\.'

Find files/directories that are newer than 'foo.txt' under current directory tree

find -newer foo.txt

Prepend "foo" to the file "bar"

{ echo foo; cat bar; } | tee bar > /dev/null

Find all files/directories in the entire file system and redirect the output to masterfilelist.out file

find / -print > masterfilelist.out

Set the history time format variable "HISTTIMEFORMAT" to "%s " and display up to event 2

HISTTIMEFORMAT="%s " history 2

Search the current directory recursively for regular files with the extension given as variable $extension

find . -type f -name "*.$extension"

find all the perl files in the current folder

find . -type f -name "*.pl"

Find all pdf files excluding *_signed.pdf files under /some/dir with null character as the delimiter

find /some/dir -name "*.pdf" ! -name "*_signed.pdf" -print0

List screen session IDs

screen -list

download contents from website "www.example.com" using URL-encoding "paramName=param"

curl --data-urlencode "paramName=param" www.example.com

change the permission of all the directories to 755 in the current folder

find -type d -exec chmod 755 {} \;

Find all files owned by group `root' in the current directory tree and change their user to `temp'

find . -group root -print | xargs chown temp

Append "foo" and "bar" column in file "file" with values dependent on the current table contents

awk 'NR==1 {print $0, "foo", "bar"; next} {print $0, , }' file | column -t

Move all regular files under current directory to ./newdir

find ./ -type f -print | xargs -l56 -I {} mv -f {} ./newdir

Finds files in 'directory' folder with the same name and location but different content than files in 'directory.original' folder and saves location of such files to 'directories' variable.

directories=$(diff -qr directory directory.original | cut -d' ' -f2 | xargs dirname | uniq)

search through only the /usr and /home directories for any file named Chapter1.txt

find /usr /home -name Chapter1.txt -type f

List all broken symlinks excluding cyclic links under current directory

find . -type l -printf "%Y %p\n" | grep -w '^N'

Print "/tmp/myfile" starting at line 11

tail -n +11 /tmp/myfile

Join strings from 'file1' and 'file2', discarding excessive strings from largest file, and printing first, second and third space-separated field from first file, and third and fourth field from second file as a join result

join -o 1.2,1.3,2.4,2.5,1.4 < <

Identify CMS version/releases accross all your PHPBB installations

find /home/*/public_html/ -type f -wholename *includes/constants.php -exec grep -H "PHPBB_VERSION" {} \;

list all files in /home/bozo/projects directory tree that were modified within the last day

find /home/bozo/projects -mtime -1

search for all regular/normal files in current folder and display all the files which contain 16 lines

find . -type f -print0 | xargs -0 grep -cH '.' | grep ':16$'

Find regular files named 'findme.txt' under '/usr' and '/home' directory tree

find /usr /home -name findme.txt -type f -print

check find version

find --version

Recursively add ".jpg" to all files without an extension in the directory tree "/path"

find /path -type f -not -name "*.*" -exec mv "{}" "{}".jpg \;

Find '.java' files with checksum 0bee89b07a248e27c83fc3d5951213c1 in the current directory

md5sum *.java | grep 0bee89b07a248e27c83fc3d5951213c1

change the permissions of all the regular files in the current folder

find . -type f -exec chmod 500 {} ';'

Creates temporary folder in /tmp/ with 10-letter suffux.

mktemp -d -t

Print the names and sizes of regular files residing in the "dir" directory tree

find dir -type f -printf "f %s %p\n"

Find all directories in the current directory tree that are not accessible by all

find -type d ! -perm -111

Find all *.txt files under the current directory whose names are not "File.txt"

find . -maxdepth 1 -type f -name '*.txt' -not -name File.txt