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Print a sorted list of all .jpg files in the current directory and below | find -name '*.jpg' | sort -n |
Save Java home in variable "JAVA_HOME" | JAVA_HOME="$( readlink -f "$" | sed "s:bin/.*$::" )" |
find all directories that names are 'apt' and display details | find / -type d -name "apt" -ls |
List all .svn files/directories under current directory | find . -name .svn -exec echo {} \; |
Save standard input to variable 'stdin' until the first character encoded as '\004' is read | read -d "$(echo -e '\004')" stdin |
display all the files in the usr folder and those that are in the path local | find /usr/ -path "*local*" |
Find all files matching pattern '.#*' in the current directory tree | find -iname '.#*' |
Search the files from the current directory tree for "chrome" | find . -exec grep chrome {} \; |
Change the ownership of all files in the current directory tree to myuser:a-common-group-name | find . -exec chown myuser:a-common-group-name {} + |
Set shell option 'checkwinsize'. | shopt -s checkwinsize |
Search for the string 'magic' in all regular files under current directory tree and display long listing of them | find . -type f -exec grep "magic" {} \; -ls |
Find all directories under current directory and set read-write-execute permission for owner, read-execute permission for group and no permission for other for those directories | find . -type d -exec chmod u=rwx,g=rx,o= '{}' \; |
Set permission of all files in "img", "js", and "html" to 644 | chmod 644 img/* js/* html/* |
Archive "src" to "dst" without overwriting existing files in "dst" | rsync -a -v --ignore-existing src dst |
find all the text files that have modified in the last 2 days and not modified today | find . -name "*.txt" -type f -daystart -mtime +0 -mtime -2 |
display all the jpg files in the current folder which belong to the user nobody | find . -name *.jpg -user nobody |
Delete all .pyc files in the current directory tree | find . -name "*.pyc" | xargs rm -rf |
Find all *.mp3 files under current directory and run mplayer with these files | find . -name \*.mp3 -print0 | xargs -0 mplayer |
Create an empty file in each directory named "mydir" under current directory. | find . -type d -name "mydir" -print | sed 's/$/\/abc.txt/g' | xargs touch |
List all *.c, *.h and *.cpp files under current directory | find . -type f \( -name '*.c' -or -name '*.h' -or -name '*.cpp' \) -exec ls {} \; |
Verbosely change ownership of "$file" to "root" | chown -v root "$file" |
List in detail regular files from the current directory tree whose names match Perl regular expression '\w+-\d+x\d+\.\w+$' | find -type f | grep -P '\w+-\d+x\d+\.\w+$' | sed -re 's//\\\1/g' | xargs ls -l |
display all files in current folder | find . |
Print characters 2 through 4 of "abcdefg" | echo 'abcdefg'|tail -c +2|head -c 3 |
Find all files you have modified in the last two days | find ~ -type f -mtime -2 |
Print a hex dump of "$DIREC" as characters | echo "$DIREC" | od -c |
Creates temporary folder and save path to that in a TMPDIR variable. | TMPDIR=$(mktemp -d) |
search for the directory "mysql" in the /etc folder | find /etc -name mysql -type d |
Print a single line of numbers from "001" to "010" | yes | head -n 10 | awk '{printf}' |
Find all files in the current directory tree with size bigger than 5 MB and sort them by size | find ./ -size +5M -type f | xargs -r ls -Ssh |
Print current shell using process ID | ps -p $$ |
Recursively finds and compresses all files in the directory '/path/to/dir' | find /path/to/dir -type f -exec bzip2 {} \; |
find all the text files in the file system and search only in the disk partition of the root. | find / -xdev -name "*.txt" |
Replace spaces with underscores in the names of all files and directories in the "/tmp" directory tree | find /tmp/ -depth -name "* *" -execdir rename " " "_" "{}" ";" |
find all the files in the current folder that have been accessed in today from the start of the day | find -daystart -atime 0 |
Search for regular files of the user bluher in the file system | find / -type f -user bluher -exec ls -ls {} \; |
Find all file paths under current directory, perform a reverse sort and show first 10 file paths with their status change time | find . -type f -printf "%C@ %p\n" | sort -r | head -n 10 |
List all mounted filesystems | mount |
Filters only directories including hidden ones from long file listing of a current directory, and prints their names. | ls -Al | grep "^d" | awk -F" " '{print $9}' |
Prints directory where the executing script is located. | $ |
Search the "katalogi" directory tree for files named "wzorzec" | find katalogi -name wzorzec |
search for all png files in a folder and copy them to another folder | find /home/mine -iname "*.png" -exec sh -c 'cp $0 /home/mine/pngcoppies/copy/$0' {} \; |
Check the bit width of static library "libsomefile.a" | readelf -a -W libsomefile.a | grep Class: | sort | uniq |
Search the current directory and two levels below for file `teste.tex' | find ~/ -maxdepth 3 -name teste.tex |
Create links for all files in the current directory tree that are more than 1000 days old in "/home/user/archives" | find . -type f -mtime +1000 -print0 | cpio -dumpl0 /home/user/archives |
Find all files under $root_dir | find $root_dir -type f |
find case-insensitive StringBuffer in all *.java files | find . -type f -name "*.java" -exec grep -il string {} \; |
Find all php files in current directory and delete lines matching the regex '<\?php \/\*\*\/eval(base64_decode);.*\?>' in those files | find . \ -exec grep -Hn "<\?php /\*\*/eval(base64_decode);.*\?>" {} \; -exec sed -i '/<\?php \/\*\*\/eval(base64_decode);.*\?>/d' {} \; |
print disk usage of files or folders in current directory | du -sh * |
Save the latest modification time (in format "%T@ %t" of any file under "./$dir" to variable "timestamp" | timestamp=$ |
search for a file using name patterns from the list of all the regular files in the folder project and save the output to the file Include. | find project -type f -print | egrep '$' > Include |
Search the ~/Books directory recursively for regular files named "Waldo" | find ~/Books -type f -name Waldo |
Find files/directories named 'photo.jpg' in the entire filesystem | find / -name photo.jpg |
Find all files that contain the case insensitive regex 'stringtofind' in maximum 1 level down the / directory without descending into other partitions | find / -maxdepth 1 -xdev -type f -exec grep -Zli "stringtofind" {} + |
Remove all regular files from the current directory tree that were modified a day ago | find . -type f -mtime 1 -exec rm {} + |
Prints long listing of content in the current folder with C-style escapes for nongraphic characters | ls -lb |
Make directory "/var/svn" | sudo mkdir /var/svn |
change the permissions of all the regular files in the folder root_dir to 444 | find root_dir -type f -exec chmod 444 {} \; |
Gets IP address of only primary network interface. | ifconfig $ | grep 'inet ' | awk '{print $2}' | grep -Eo '{3}[0-9]*' |
Send SIGKILL signal to processes ID 18581, 18582, and 18583, killing them instantly. | kill -9 18581 18582 18583 |
Display permissions, user, group, and full path for each file in the current directory tree | tree -p -u -g -f |
Search the *.code files from the current directory tree for string 'pattern' | find . -name '*.code' -exec grep -H 'pattern' {} + |
display all the regular/ normal files in a folder | find src/js -type f |
Calculate md5 sum of files $source_file and $dest_file | md5sum "$source_file" "$dest_file" |
Remove all files in the current directory tree that have the name "abc.xxx" | find . -name abc.xxx -exec rm {} \; |
Send SIGHUP (hangup) signal to all parents of zombie processes. | kill -HUP $(ps -A -ostat,ppid | grep -e '[zZ]'| awk '{ print $2 }') |
Merge already sorted files "*.txt" and split the result into files of at most 1000000 lines each with a numeric suffix and a prefix "output" | sort -m *.txt | split -d -l 1000000 - output |
sort each file in the bills directory, leaving the output in that file name with .sorted appended | find bills -type f | xargs -I XX sort -o XX.sorted XX |
Create a symolic link in "/usr/local/bin/" to "/Applications/Sublime\ Text\ 2.app/Contents/SharedSupport/bin/subl" | ln -s /Applications/Sublime\ Text\ 2.app/Contents/SharedSupport/bin/subl /usr/local/bin/ |
find all the files in the current folder which have execute permission to all the users | find . -perm /u=x,g=x,o=x |
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' {} + |
Find all directories in the current directory tree | find -type d |
Replace all occurrences of '2013 Magento Inc.' with '2012 Magento Inc.' in all files with '.php, '.xml' and '.phtml' extensions under current directory tree | find . -name '*.php' -print0 -o -name '*.xml' -print0 -o -name '*.phtml' -print0 | xargs -0 sed -i '' 's/2013 Magento Inc./2012 Magento Inc./g' |
Print amount of space available on the file system containg path to the current working directory. | df . | awk '$3 ~ /[0-9]+/ { print $4 }' |
Compress files excluding *.Z files | find . \! -name "*.Z" -exec compress -f {} \; |
Search for files/directories which are writable by either their owner or their group | find . -perm /220 |
Print every 20 bytes of standard input as tab separated groups of bytes 1-3, 4-10, and 11-20 | fold -b -w 20 | cut --output-delimiter $'\t' -b 1-3,4-10,11-20 |
List files ending in .html and residing in the current directory tree | find . -name "*.html" |
Find all the files under /tmp directory and show a few lines of output from the beginning | find /tmp | head |
Output lines 16224 to 16482 of 'file', not recommended with large files that contain many lines after the ones needed. | awk 'NR==16224, NR==16482' file |
change cgi files to mode 755 under htdocs or cgi-bin directories | find htdocs cgi-bin -name "*.cgi" -type f -exec chmod 755 {} \; |
Gets the groups these users belong to. | groups a b c d |
Move each of the directories in /path/to/folders/* to another directory whose name is constituted by appending .mbox to each directory name and create a directory named Messages in this directory | find /path/to/folders/* -type d -exec mv {} {}.mbox \; -exec mkdir {}.mbox/Messages \; |
find all files under the current folder except dir1 dir2 dir3 folder | find . -type d \ -prune -o -print |
Copy "/home/username/path/on/server/" to "[email protected]:/Users/username/path/on/machine/" and convert encoding from UTF-8 to UTF-8-MAC | rsync --iconv=UTF-8,UTF-8-MAC /home/username/path/on/server/ '[email protected]:/Users/username/path/on/machine/' |
change the permissions of all regular/normal files in the current directory | find . -type f | xargs chmod 664 |
Search for "pattern" in all the .c files in the current directory tree | find . -name "*.c" | xargs grep pattern |
display all the files in current folder | find . |
Replace all occurrence of "subdomainA.example.com" with "subdomainB.example.com" in all files under /home/www and below | find /home/www/ -type f -exec sed -i 's/subdomainA\.example.com/subdomainB.example.com/g' {} + |
Find all files/directories which have been modified within the last day in the drectories/files taken from the glob pattern '/tmp/test/*' | find /tmp/test/* -mtime -1 |
Get domain name of $ip and save it to the variable 'reverse' | reverse=$(dig -x $ip +short) |
Search the current directory for files whose names start with "messages." ignoring SVN, GIT, and .anythingElseIwannaIgnore files | find . -type f -print0 | xargs -0 egrep messages. | grep -Ev '.svn|.git|.anythingElseIwannaIgnore' |
Count the number of lines in all ".php" files in the current directory tree | find . -name '*.php' -type f | xargs cat | wc -l |
Print first field from semicolon-seprated line <line>. | echo "<line>" | cut -d ";" -f 1 |
Sort the lines of the file 'temp.txt' and change it in-place | sort temp.txt -otemp.txt |
Recursively copy all files with names ending with .txt from dir_1 to the same location within copy_of_dir_1 | rsync --recursive --prune-empty-dirs --include="*.txt" --filter="-! */" dir_1 copy_of_dir_1 |
List all leaf directories under current directory | find -depth -type d | while read dir; do [[ ! $prev =~ $dir ]] && echo "${dir}" ; prev="$dir"; done |
Print a colon-separated list of all directories from the ~/code directory tree | find ~/code -type d | tr '\n' ':' | sed 's/:$//' |
List all cron jobs for current user. | crontab -l |
Print summary of files present only in dir1. | diff -rq dir1 dir2 | grep 'Only in dir1/' |
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