GWHed/nl2bash · Datasets at Hugging Face

nl stringlengths 13 387	bash stringlengths 1 532
search for the pattern "tgt/etc/file1" in the files tgt/etc/file2, tgt/etc/file3	find . -type f -name \* \| grep tgt/etc/file1 tgt/etc/file2 tgt/etc/file3
Search for the pattern '^use strict' in all *.pl files under current directory	find . -name '*.pl' \| xargs grep -L '^use strict'
search for the pattern in all the regular/normal files in the entire file system	find / -type f -print0 \| xargs -0 grep -i pattern
search for pattern matched files in the current folder and subfolders exclude "excluded path"	find ./ -type f -name "pattern" ! -path "excluded path" ! -path "excluded path"
search for perl files in the folder /users/tom	find /users/tom -name "*.pl"
Search for the Perl regex "[\x80-\xFF]" in *.xml files under current directory tree	find . -name *.xml \| xargs grep -P "[\x80-\xFF]"
search for php files in current directory and search for a word in all these files	find -name '*.php' -exec grep -iq "fincken" {} \; -exec grep -iq "TODO" {} \; -print
Search for the query "filename" in the current directory and any subdirectories	find -iname "filename"
Search for the regex "+\S\+" in file 'in.txt' and print the matches by replacing newlines with comma (',')	grep -o "+\S\+" in.txt \| tr '\n' ','
Search for the regex "\$wp_version =" in all the regular files that end with '/wp-includes/version.php' (case insensitive) in their paths in directories/files taken from the glob pattern '/home/*//public_html/' and show the matched lines along with the file names	find /home//public_html/ -type f -iwholename "/wp-includes/version.php" -exec grep -H "\$wp_version =" {} \;
Search for the regex "\$wp_version =" in all the regular files that end with '/wp-includes/version.php' (case insensitive) in their paths in directories/files taken from the glob pattern '/var/www/vhosts/*/httpdocs' and show the matched lines along with the file names	find /var/www/vhosts//httpdocs -type f -iwholename "/wp-includes/version.php" -exec grep -H "\$wp_version =" {} \;
Search for the regex '->get(\\|#hyphenate' in all files with '.pl' or '.pm' extension under '/users/tom' directory tree and only show the filenames	find /users/tom -name '*.p[lm]' -exec grep -l -- '->get(\\|#hyphenate' {} +
Search for the regex '[0-9][0-9][.][0-9][0-9][.][0-9][0-9][.][0-9][0-9]' in all files under /etc	find /etc -exec grep '[0-9][0-9][.][0-9][0-9][.][0-9][0-9][.][0-9][0-9]' {} \;
Search for the regex '^ERROR' in all *.log files under current directory	find . -name "*.log" -exec egrep -l '^ERROR' {} \;
Search for the regex 'pattern_to_search' in all files under '/directory/containing/files' and show the matched lines as well as the file names	find /directory/containing/files -type f -exec grep -H 'pattern_to_search' {} +
Search for the regex ... in the manual of the find command	man find \| grep ...
Search for the regex ^catalina in the first line of each file under current directory	find -type f \| xargs head -v -n 1 \| grep -B 1 -A 1 -e '^catalina'
Search for the regex expanded by the variable $SEARCH in all regular files under $DIR directory tree	find "$DIR" -type f -exec grep -q "$SEARCH" {} + ;
Search for the regex expaned by the variable $SEARCH in all regular files under $DIR directory tree	find "$DIR" -type f -exec grep "$SEARCH" {} \;
Search for regular expression 'expr' in all .c and .h files from the current directory tree	find -name '*.[ch]' \| xargs grep -E 'expr'
search for the regular/normal file "Dateiname" in the entire file system	find / -type f -iname "Dateiname"
search for the regular/normal file "foo.bar" and force delete it	find /home -name foo.bar -type f -exec rm -f "{}" ';'
search for the regular/normal file "myfile" in the current folder excluding search in the paths of "work" and "home" sub directories	find . \( -name work -o -name home \) -prune -o -name myfile -type f -print
search for the regular/normal file 'myfile' in the folder /root excluding those that are present in the "work" directory	find /root/ -name 'work' -prune -o -name myfile -type f -print
search for the regular/normal file 'myfile' in the folder /root excluding those that are present in the /root/work directory	find /root/ -path '/root/work' -prune -o -name myfile -type f -print
search for regular files in the current folder which path is not "./." and not ".//.*"	find ./ -type f -name "" ! -path "./." ! -path ".//."
Search for regular files of the user bluher in the file system	find / -type f -user bluher -exec ls -ls {} \;
search for the regulars file starting with HSTD which have been modified yesterday from day start and copy them to /path/tonew/dir	find . -type f -iname ‘HSTD*’ -daystart -mtime 1 -exec cp {} /path/to new/dir/ \;
search for regular/normal file with the name "myfile" in the entire file system	find / -name myfile -type f -print
search for soft links in current folder and display those links which are not pointed to files in current folder	find . -type l -exec readlink -f '{}' \; \| grep -v "^`readlink -f ${PWD}`"
Search for the string "ERROR" in all XML files in the current working directory tree	find . -name "*.xml" -exec grep "ERROR" /dev/null '{}' \+
Search for the string 'device' in all regular files in the entire filesystem	find / -type f -print \| xargs grep "device"
Search for the string 'git' in all the files under current directory tree excluding paths and names that contain the string 'git'	find . -not -path "git" -not -name 'git' \|grep git
search for swap files (.swp files) in temp folder and remove them	find /tmp -name '*.swp' -exec rm {} \;
search for text files in the current folder which do not have write access to others	find . -type f \( -iname "*.txt" ! -perm -o=w \)
search for text files in the current folder which do not have write access to others	find . -type f \( -iname "*.txt" -not -perm -o=w \)
search for text files in the folders /home/hobbes/ /home/calvin/	find /home/hobbes/ /home/calvin/ -name “*.txt”
search for text files in the folder /home/you which have been modified in the last 60*24 hours(case insensitive search) and display their contents	find /home/you -iname "*.txt" -mtime -60 -exec cat {} \;
Search for utility "foo" in PATH, display its file type description.	file $(which foo)
search for version in system.info files.	find /home//public_html/ -type f -iwholename "/modules/system/system.info" -exec grep -H "version = \"" {} \;
search for the word "damian" in all the regular/normal files in the /etc folder and display only the matched file name	find /etc -type f \| xargs grep -l -i "damian"
search for the word "methodNameHere" in all the python files in the folder "/mycool/project/" and display color on the matched lines in the output	find /mycool/project/ -type f -name "*.py" -print0 \| xargs -I {} -0 grep -H --color "methodNameHere" "{}"
search for the word "mysql" in all the files in the current containing the word "notes" in their name	find . -iname "notes" \| xargs grep -i mysql
search for the word "mysql" in all the files in the current containing the word "notes" in their name. print0 is used to handle files with newlines in their names or those which have only spaces in their names	find . -iname "notes" -print0 \| xargs -I{} -0 grep -i mysql "{}"
search for the word "nameserver" in all the configuration files of the /etc folder	find /etc/ -type f -name "*.conf" -print0 \| xargs -I {} -0 grep "nameserver" "{}"
search for the word "nameserver" in all the regular/normal files in the /etc directory and display the name of the file along with the matched line	find /etc/ -iname "*" -type f -print0 \| xargs -0 grep -H "nameserver"
search for the word "put" in all the files in the current folder which have the word "bills" in their name and display the matched line along with the filename.	find . -name 'bills' -exec grep -H "put" {} \;
search for the word "redeem reward" in all the regular/normal files in the current folder	find . -type f -exec grep -i “redeem reward” {} \; -print
search for the word "search-pattern" in all the regular/normal files in the current folder and display the matched file name	find . -type f \| xargs grep -l "search-pattern"
search for the word "slrn" in all the files in the current folder	find ./ -exec grep -q 'slrn' '{}' \; -print
search for the word "slrn" in all the files in the folder $HOME/html/andrews-corner	find $HOME/html/andrews-corner -exec grep -q 'slrn' '{}' \; -print
search for the word bananas in the all the regular/normal files in the entire file system	find / -type f -exec grep bananas {} \; -print
search for the word error in all the xml files in the current folder	find . -name "*.xml" -exec grep "ERROR" /dev/null '{}' \+
search for the word LOG in all the files in the folder ~/jsmith	find ~jsmith -exec grep LOG '{}' /dev/null \; -print
Search the given $directory for files with permissions stored in $permissions	find "$directory" -perm "$permissions"
Search history for "part_of_the_command_i_still_remember_here"	history \| grep 'part_of_the_command_i_still_remember_here'
Search the home directory for files accessed more than 10 days ago	find ~/ -atime +10
Search the home directory for files whose names begin with "test"	find ~ -name "test*" -print
Search the home directory for filenames starting with "xx" except for "xxx" files	find ~ -name 'xx*' -and -not -name 'xxx'
Search the home directory for OGG and MP3 files	find $HOME -iname '.ogg' -o -iname '.mp3'
Search the home directory tree for .tar.gz files newer than file "filename"	find ~/ -name *.tar.gz -newer filename
Search the home directory tree for all .txt files	find ~/ -name '*.txt'
Search the home directory tree for files last modified less than 2 days ago or newer than file "filename"	find ~/ -mtime -2 -o newer filename
Search the home directory tree for files last modified more than a year ago	find $HOME -mtime +365
Search the home directory tree for files matching pattern '*.txt'	find ~ -name *.txt
Search the home directory tree for files modified less than 7 days ago	find $HOME -mtime -7
Search the home directory tree for files modified less than a day ago	find $HOME -mtime -1
Search the home directory tree for files owned by sam	find /home -user sam
Search the home directory tree for regular files modified yesterday	find ~ -daystart -type f -mtime 1
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'
Search the home directory tree for video files	find ~ -type f -regex '.*\.\(mkv\\|mp4\\|wmv\\|flv\\|webm\\|mov\)'
search in all the regular/normal files of the current folder for the word "word" and display the matched file name	find . -type f -exec grep -l "word" {} +
Search in the current directory and all sub-directories except ./D and any further sub-directories also named D for the file named hi.dat	$ find . \( -name D -prune \) -o -name hi.dat
Search in the current directory and all sub-directories except ./D for the file named hi.dat	find -path ./D -prune -o -name hi.dat -print
Search in the current directory and all sub-directories except ./D for the file named hi.dat.	find . \( -name D -prune \) -o -name hi.dat
Search in current directory downwards all files which have not been accessed since last 7 days	find . -atime +7 -print
Search in current directory downwards all files whic have permission 777 .	find . -perm 777 -print
search in current directory downwards all files which were accessed exactly 7 days back	find . -atime 7 -print
Search in current directory downwards all files whose owner is aa1 and grop is grp .	find . \( -user aa1 - group grp \) -print
Search in current directory downwards all files whose owner is aa1 or whose name is myfile .	find . \( -user aa1 -o -name myfile \) -print
Search in current directory downwards all files whose size is 10 blocks .	find . -size 10 print
Search in current directory downwards all files whose size is 10 bytes ( Characters ) .	find . -size 10c -print
Search in current directory downwards all files whose size is greater than 10 bytes .	find . -size +10c -print
search in current directory downwards all files whose size is less then 10 bytes	find . -size -10c -print
search in current directory downwards all files whose status has changed more then 7 days ago	find . -ctime +7 -print
search in the current directory for any file named Chapter1.txt	find . -name Chapter1 -type f
search in the current folder for all the directories with the name "test"	find . -type d -name test
search in the current folder for all the regular/normal file with the name "test"	find . -type f -name test
search in the current folder for the file "myletter.doc"	find . -name myletter.doc -print
search in the current folder for the file with the name "test"	find . -name test
search in the current folder for the file with the name "test" ( case insensitive search )	find . -iname test
search in the home folder for all the files with the name "monfichier"	find /home/ -name monfichier
search in root ( / ) directory downwards all files which have exactly 2 links.	find / -links 2 -print
search in root ( / ) directory downwards all files which have less than 2 links.	find / -links -2 -print
Search level 3 of the current directory tree for the directories whose pathnames contain "New Parts"	find -mindepth 3 -maxdepth 3 -type d \| grep "New Parts"
Searches the manual page names and descriptions by 'disk' keyword.	apropos disk
Searches manual pages which descriptions contain 'postscript', and prints name and description of only ones that contain any-cased 'png' pattern.	apropos postscript \| grep -i png
Searches the manual pages with descriptions in section 3, that name begins with lowercase letter.	apropos -s 3 . \| grep ^[a-z]
Search the Movies folder in the user's home directory for files larger than 1024 megabytes in size.	find ~/Movies/ -size +1024M
search normal files called ' banckup ' from /usr directory downward and print them.	find /usr -type f -name backup -print

search for the pattern "tgt/etc/file1" in the files tgt/etc/file2, tgt/etc/file3

find . -type f -name \* | grep tgt/etc/file1 tgt/etc/file2 tgt/etc/file3

Search for the pattern '^use strict' in all *.pl files under current directory

find . -name '*.pl' | xargs grep -L '^use strict'

search for the pattern in all the regular/normal files in the entire file system

find / -type f -print0 | xargs -0 grep -i pattern

search for pattern matched files in the current folder and subfolders exclude "excluded path"

find ./ -type f -name "pattern" ! -path "excluded path" ! -path "excluded path"

search for perl files in the folder /users/tom

find /users/tom -name "*.pl"

Search for the Perl regex "[\x80-\xFF]" in *.xml files under current directory tree

find . -name *.xml | xargs grep -P "[\x80-\xFF]"

search for php files in current directory and search for a word in all these files

find -name '*.php' -exec grep -iq "fincken" {} \; -exec grep -iq "TODO" {} \; -print

Search for the query "filename" in the current directory and any subdirectories

find -iname "filename"

Search for the regex "+\S\+" in file 'in.txt' and print the matches by replacing newlines with comma (',')

grep -o "+\S\+" in.txt | tr '\n' ','

Search for the regex "\$wp_version =" in all the regular files that end with '/wp-includes/version.php' (case insensitive) in their paths in directories/files taken from the glob pattern '/home/*//public_html/' and show the matched lines along with the file names

find /home/*/public_html/ -type f -iwholename "*/wp-includes/version.php" -exec grep -H "\$wp_version =" {} \;

Search for the regex "\$wp_version =" in all the regular files that end with '/wp-includes/version.php' (case insensitive) in their paths in directories/files taken from the glob pattern '/var/www/vhosts/*/httpdocs' and show the matched lines along with the file names

find /var/www/vhosts/*/httpdocs -type f -iwholename "*/wp-includes/version.php" -exec grep -H "\$wp_version =" {} \;

Search for the regex '->get(\|#hyphenate' in all files with '.pl' or '.pm' extension under '/users/tom' directory tree and only show the filenames

find /users/tom -name '*.p[lm]' -exec grep -l -- '->get(\|#hyphenate' {} +

Search for the regex '[0-9][0-9]*[.][0-9][0-9]*[.][0-9][0-9]*[.][0-9][0-9]*' in all files under /etc

find /etc -exec grep '[0-9][0-9]*[.][0-9][0-9]*[.][0-9][0-9]*[.][0-9][0-9]*' {} \;

Search for the regex '^ERROR' in all *.log files under current directory

find . -name "*.log" -exec egrep -l '^ERROR' {} \;

Search for the regex 'pattern_to_search' in all files under '/directory/containing/files' and show the matched lines as well as the file names

find /directory/containing/files -type f -exec grep -H 'pattern_to_search' {} +

Search for the regex ... in the manual of the find command

man find | grep ...

Search for the regex ^catalina in the first line of each file under current directory

find -type f | xargs head -v -n 1 | grep -B 1 -A 1 -e '^catalina'

Search for the regex expanded by the variable $SEARCH in all regular files under $DIR directory tree

find "$DIR" -type f -exec grep -q "$SEARCH" {} + ;

Search for the regex expaned by the variable $SEARCH in all regular files under $DIR directory tree

find "$DIR" -type f -exec grep "$SEARCH" {} \;

Search for regular expression 'expr' in all .c and .h files from the current directory tree

find -name '*.[ch]' | xargs grep -E 'expr'

search for the regular/normal file "Dateiname" in the entire file system

find / -type f -iname "Dateiname"

search for the regular/normal file "foo.bar" and force delete it

find /home -name foo.bar -type f -exec rm -f "{}" ';'

search for the regular/normal file "myfile" in the current folder excluding search in the paths of "work" and "home" sub directories

find . $ -name work -o -name home $ -prune -o -name myfile -type f -print

search for the regular/normal file 'myfile' in the folder /root excluding those that are present in the "work" directory

find /root/ -name 'work' -prune -o -name myfile -type f -print

search for the regular/normal file 'myfile' in the folder /root excluding those that are present in the /root/work directory

find /root/ -path '/root/work' -prune -o -name myfile -type f -print

search for regular files in the current folder which path is not "./.*" and not "./*/.*"

find ./ -type f -name "*" ! -path "./.*" ! -path "./*/.*"

Search for regular files of the user bluher in the file system

find / -type f -user bluher -exec ls -ls {} \;

search for the regulars file starting with HSTD which have been modified yesterday from day start and copy them to /path/tonew/dir

find . -type f -iname ‘HSTD*’ -daystart -mtime 1 -exec cp {} /path/to new/dir/ \;

search for regular/normal file with the name "myfile" in the entire file system

find / -name myfile -type f -print

search for soft links in current folder and display those links which are not pointed to files in current folder

find . -type l -exec readlink -f '{}' \; | grep -v "^`readlink -f ${PWD}`"

Search for the string "ERROR" in all XML files in the current working directory tree

find . -name "*.xml" -exec grep "ERROR" /dev/null '{}' \+

Search for the string 'device' in all regular files in the entire filesystem

find / -type f -print | xargs grep "device"

Search for the string 'git' in all the files under current directory tree excluding paths and names that contain the string 'git'

find . -not -path "*git*" -not -name '*git*' |grep git

search for swap files (.swp files) in temp folder and remove them

find /tmp -name '*.swp' -exec rm {} \;

search for text files in the current folder which do not have write access to others

find . -type f $ -iname "*.txt" ! -perm -o=w $

search for text files in the current folder which do not have write access to others

find . -type f $ -iname "*.txt" -not -perm -o=w $

search for text files in the folders /home/hobbes/ /home/calvin/

find /home/hobbes/ /home/calvin/ -name “*.txt”

search for text files in the folder /home/you which have been modified in the last 60*24 hours(case insensitive search) and display their contents

find /home/you -iname "*.txt" -mtime -60 -exec cat {} \;

Search for utility "foo" in PATH, display its file type description.

file $(which foo)

search for version in system.info files.

find /home/*/public_html/ -type f -iwholename "*/modules/system/system.info" -exec grep -H "version = \"" {} \;

search for the word "damian" in all the regular/normal files in the /etc folder and display only the matched file name

find /etc -type f | xargs grep -l -i "damian"

search for the word "methodNameHere" in all the python files in the folder "/mycool/project/" and display color on the matched lines in the output

find /mycool/project/ -type f -name "*.py" -print0 | xargs -I {} -0 grep -H --color "methodNameHere" "{}"

search for the word "mysql" in all the files in the current containing the word "notes" in their name

find . -iname "*notes*" | xargs grep -i mysql

search for the word "mysql" in all the files in the current containing the word "notes" in their name. print0 is used to handle files with newlines in their names or those which have only spaces in their names

find . -iname "*notes*" -print0 | xargs -I{} -0 grep -i mysql "{}"

search for the word "nameserver" in all the configuration files of the /etc folder

find /etc/ -type f -name "*.conf" -print0 | xargs -I {} -0 grep "nameserver" "{}"

search for the word "nameserver" in all the regular/normal files in the /etc directory and display the name of the file along with the matched line

find /etc/ -iname "*" -type f -print0 | xargs -0 grep -H "nameserver"

search for the word "put" in all the files in the current folder which have the word "bills" in their name and display the matched line along with the filename.

find . -name '*bills*' -exec grep -H "put" {} \;

search for the word "redeem reward" in all the regular/normal files in the current folder

find . -type f -exec grep -i “redeem reward” {} \; -print

search for the word "search-pattern" in all the regular/normal files in the current folder and display the matched file name

find . -type f | xargs grep -l "search-pattern"

search for the word "slrn" in all the files in the current folder

find ./ -exec grep -q 'slrn' '{}' \; -print

search for the word "slrn" in all the files in the folder $HOME/html/andrews-corner

find $HOME/html/andrews-corner -exec grep -q 'slrn' '{}' \; -print

search for the word bananas in the all the regular/normal files in the entire file system

find / -type f -exec grep bananas {} \; -print

search for the word error in all the xml files in the current folder

find . -name "*.xml" -exec grep "ERROR" /dev/null '{}' \+

search for the word LOG in all the files in the folder ~/jsmith

find ~jsmith -exec grep LOG '{}' /dev/null \; -print

Search the given $directory for files with permissions stored in $permissions

find "$directory" -perm "$permissions"

Search history for "part_of_the_command_i_still_remember_here"

history | grep 'part_of_the_command_i_still_remember_here'

Search the home directory for files accessed more than 10 days ago

find ~/ -atime +10

Search the home directory for files whose names begin with "test"

find ~ -name "test*" -print

Search the home directory for filenames starting with "xx" except for "xxx" files

find ~ -name 'xx*' -and -not -name 'xxx'

Search the home directory for OGG and MP3 files

find $HOME -iname '*.ogg' -o -iname '*.mp3'

Search the home directory tree for .tar.gz files newer than file "filename"

find ~/ -name *.tar.gz -newer filename

Search the home directory tree for all .txt files

find ~/ -name '*.txt'

Search the home directory tree for files last modified less than 2 days ago or newer than file "filename"

find ~/ -mtime -2 -o newer filename

Search the home directory tree for files last modified more than a year ago

find $HOME -mtime +365

Search the home directory tree for files matching pattern '*.txt'

find ~ -name *.txt

Search the home directory tree for files modified less than 7 days ago

find $HOME -mtime -7

Search the home directory tree for files modified less than a day ago

find $HOME -mtime -1

Search the home directory tree for files owned by sam

find /home -user sam

Search the home directory tree for regular files modified yesterday

find ~ -daystart -type f -mtime 1

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'

Search the home directory tree for video files

find ~ -type f -regex '.*\.$mkv\|mp4\|wmv\|flv\|webm\|mov$'

search in all the regular/normal files of the current folder for the word "word" and display the matched file name

find . -type f -exec grep -l "word" {} +

Search in the current directory and all sub-directories except ./D and any further sub-directories also named D for the file named hi.dat

$ find . $ -name D -prune $ -o -name hi.dat

Search in the current directory and all sub-directories except ./D for the file named hi.dat

find -path ./D -prune -o -name hi.dat -print

Search in the current directory and all sub-directories except ./D for the file named hi.dat.

find . $ -name D -prune $ -o -name hi.dat

Search in current directory downwards all files which have not been accessed since last 7 days

find . -atime +7 -print

Search in current directory downwards all files whic have permission 777 .

find . -perm 777 -print

search in current directory downwards all files which were accessed exactly 7 days back

find . -atime 7 -print

Search in current directory downwards all files whose owner is aa1 and grop is grp .

find . $ -user aa1 - group grp $ -print

Search in current directory downwards all files whose owner is aa1 or whose name is myfile .

find . $ -user aa1 -o -name myfile $ -print

Search in current directory downwards all files whose size is 10 blocks .

find . -size 10 print

Search in current directory downwards all files whose size is 10 bytes ( Characters ) .

find . -size 10c -print

Search in current directory downwards all files whose size is greater than 10 bytes .

find . -size +10c -print

search in current directory downwards all files whose size is less then 10 bytes

find . -size -10c -print

search in current directory downwards all files whose status has changed more then 7 days ago

find . -ctime +7 -print

search in the current directory for any file named Chapter1.txt

find . -name Chapter1 -type f

search in the current folder for all the directories with the name "test"

find . -type d -name test

search in the current folder for all the regular/normal file with the name "test"

find . -type f -name test

search in the current folder for the file "myletter.doc"

find . -name myletter.doc -print

search in the current folder for the file with the name "test"

find . -name test

search in the current folder for the file with the name "test" ( case insensitive search )

find . -iname test

search in the home folder for all the files with the name "monfichier"

find /home/ -name monfichier

search in root ( / ) directory downwards all files which have exactly 2 links.

find / -links 2 -print

search in root ( / ) directory downwards all files which have less than 2 links.

find / -links -2 -print

Search level 3 of the current directory tree for the directories whose pathnames contain "New Parts"

find -mindepth 3 -maxdepth 3 -type d | grep "New Parts"

Searches the manual page names and descriptions by 'disk' keyword.

apropos disk

Searches manual pages which descriptions contain 'postscript', and prints name and description of only ones that contain any-cased 'png' pattern.

apropos postscript | grep -i png

Searches the manual pages with descriptions in section 3, that name begins with lowercase letter.

apropos -s 3 . | grep ^[a-z]

Search the Movies folder in the user's home directory for files larger than 1024 megabytes in size.

find ~/Movies/ -size +1024M

search normal files called ' banckup ' from /usr directory downward and print them.

find /usr -type f -name backup -print