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Search directories /path/to/directory/folder{1..50} for .txt files, outputting only the names of the matched files stripped of the .txt suffix | find /path/to/directory/folder{1..50} -name '*.txt' -exec basename {} .txt \; 2>/dev/null |
Display the last 3 characters of variable foo. | echo $foo | rev | cut -c1-3 | rev |
Lists all files and folders with its content in a current folder, excluding names ending with 'foo'. | ls ! |
Print the file sizes along with their paths for all *.txt files/directories under current directory tree | find . -name "*.txt" -print0 |xargs -0 du -ch |
Save IP addresses of the host name in variable "ip" | ip=$(hostname -I | awk '{print $1}') |
Print the grand total disk usage of all files listed in "files.txt" | cat files.txt | xargs du -c | tail -1 |
Search for regular expression 'expr' in all .c and .h files from the current directory tree | find -name '*.[ch]' | xargs grep -E 'expr' |
find all the jpg files in the directory /ftp/dir which are bigger than 500KB | find /ftp/dir/ -size +500k -iname "*.jpg" |
display all directories in vim folder do not search in sub directories | find .vim/ -maxdepth 1 -type d |
find all the non compressed files in the current directory and compress them. | find . \! -name "*.Z" -exec compress -f {} \; |
Find all directories under current directory and set read & execute permission for group and other for these files | find . -type d -print0 | xargs -0 chmod go+rx |
Recursively change the owner and group of all files in the current directory to "apache" | ls | xargs chown -R apache:apache |
Find all *.php files and *.js files/directories under /home/jul/here excluding $EXCLUDE/* paths | find /home/jul/here -type f -iname "*.php" ! -path "$EXCLUDE/*" -o -iname "*.js" ! -path "$EXCLUDE/*" |
Search the directories that match pattern '/path/to/directory/folder{?,[1-4]?,50}' for .txt files | find /path/to/directory/folder{?,[1-4]?,50} -name '*.txt' |
Print the git log in a tabular form | git log --pretty=format:'%h|%an|%s' -10 | column -t -s '|' |
Find all hidden files starting from the directory given as variable $FOLDER | find $FOLDER -name ".*" |
Delete all files under user's home directory tree that were accessed more than 365 days after their status was changed | find ~ -used +365 -ok rm '{}' ';' |
Find all regular files in <path> and execute process with all of them as arguments | find <path> -type f -exec sh -c 'for f; do echo process $f; done' sh {} + |
create directory /path/to/destination | mkdir /path/to/destination |
List files that have been renamed in Git repository. | find -name .git -prune -o -exec git log --pretty=tformat:'' --numstat --follow --find-copies-harder --reverse {} ';' | cut -f3- | grep '.* => .*' |
find all the regular/normal files in the current folder | find -type f |
Find all regular files whose names contain "@" in directory tree ~/$folder | find ~/$folder -name "*@*" -type f -print0 |
Find all files/directories named 'document' in the entire filesystem | find / -name document -print |
Print full path of command "c++" | which c++ |
Search for 'class Pool' in all *.java (case insensitive) files under current directory | find -iname '*.java'|xargs grep 'class Pool' |
search for all the files in the current directory which have size greater than 10KB and less than 32KB. | find . -size +10000c -size -32000c -print |
find all the files in the entire file system which have been modified in the last 5 days | find / -mtime -5 -print |
Find .rmv files in the ./root directory recursively and copy them to directory /copy/to/here | find root -name '*.rmv' -type f -exec cp --parents "{}" /copy/to/here \; |
Find all flies under current directory excluding *.png files and print the file paths that match the case insensitive regex 'foo=' in their contents | find . -not -name '*.png' -o -type f -print | xargs grep -icl "foo=" |
Print the names of all files and directories in the current directory tree | find . -print |
Find files/directories under current directory that matches the regex /projects/insanewebproject[^/]*$ in their paths | find . -exec sh -c 'echo {} | grep -qi /projects/insanewebproject[^/]*$' \; -print |
find all files in current folder and display the total lines in them | find . | xargs wc -l |
Remove all *.mp3 files in tmp directory but not in it's subdirectories | find tmp -maxdepth 1 -name *.mp3 -print0 | xargs -0 rm |
Find all *.jpg files under maximum 2 levels down the temp/medium/* paths and run `mogrify -resize 428x270"^" -quality 80 -compress JPEG -monitor -strip` with the file paths as arguments | find temp/medium/* -maxdepth 2 -iname "*.jpg" -print0 | xargs -0 mogrify -resize 428x270"^" -quality 80 -compress JPEG -monitor -strip |
Search the home directory for filenames starting with "xx" except for "xxx" files | find ~ -name 'xx*' -and -not -name 'xxx' |
Shows status of a shell option 'dotglob'. | shopt dotglob |
Displays process tree of a process with id 'PID', showing parent process and processes id. | pstree -p -s PID |
Change the owner to "user" and group to "group" of files "file ..." | chown user:group file ... |
Replace all occurrence of "subdomainA.example.com" with "subdomainB.example.com" in all files under /home/www and below | find /home/www -type f -print0 | xargs -0 sed -i 's/subdomainA.example.com/subdomainB.example.com/g' |
Gets IP address of 'en1' network interface. | my_ip=$ |
Change the owner of all files in the directory tree "dir_to_start" excluding file "file_to_exclude" to "owner" | find dir_to_start -not -name "file_to_exclude" -print0 | xargs -0 chown owner |
Show directory sizes in KB and sort to give the largest at the end | du -sk $ | sort -n -k 1 |
Print the full path of command "rails" | which rails |
Page through the output of running the specified PHP file. | less -f < |
search for all the files in the current folder and sort them in the order of their depth and display the file names | find -type d -printf '%d\t%P\n' | sort -r -nk1 | cut -f2- |
Lists all directories in '/home/alice/Documents/'. | ls -d /home/alice/Documents/*/ |
Recursively bind mount "/something" on "/new_something" | mount --rbind /something /new_something |
Search for empty files | find . -size 0k |
Print NS record for domain 'domain.' from 8.8.8.8 nameserver | dig @8.8.8.8 domain. ns |
Display the contents of variable "a" converted to lowercase. | echo "$a" | awk '{print tolower($0)}' |
display a list of all the files in the file system which do not belong to any user and search only in jfs and jfs2 file systems | find / -nouser \ -ls |
Change permissions to 644 recursively for PHP files. | find . -type f -name '*.php' -exec chmod 644 {} \; |
List all your files including everything in sub-directories | find ~ |
Installs 'php-mssql' package with enabling repository 'remi'. | yum --enablerepo=remi php-mssql |
On host "server_b", connect as ssh user "user" and copy "/my_folder/my_file.xml" to directory "/my_new_folder/", with all transfer data relayed through local host. | scp -3 user@server_b:/my_folder/my_file.xml user@server_b:/my_new_folder/ |
Search the files from directory tree "dirname" for string "foo" | find dirname -print0 | xargs -0 grep foo |
Rename "file0001.txt" to "1.txt" | mv file0001.txt 1.txt |
split content of the file file.txt started from second line into pieces per 4 lines named as split_NNN | tail -n +2 file.txt | split -l 4 - split_ |
Searches the manual page names and descriptions | apropos |
Sort the contents of file "ips.txt", eliminate duplicate entries, and prefix each entry with number of occurrences. | sort ips.txt | uniq -c |
Find all files under current directory and set read-write permission for owner, read permission for group and no permission for other for those files | find . -type f -exec chmod u=rw,g=r,o= '{}' \; |
delete all text files from current folder | find . -type f ! -iname "*.txt" -delete |
Print the base name of the current working directory | echo "$(basename $)" |
Search the current directory for all regular files executable by 'user', 'group', and 'others' | find . -maxdepth 1 -type f -perm -ugo=x |
Find all php files under current directory | find . -type f -name "*.php" |
Mount "/tmp/loop.img" on "/mnt/image" as a loop back device | mount /tmp/loop.img /mnt/image -o loop |
Find all *.txt files/directories under current directory and execute the python script hello.py with all their paths as arguments | find . -name "*.txt" -print0 | xargs -0 python hello.py |
find all the ".c" files in the folder "/home/you" which have been accessed in the last 30*24 hours | find /home/you -iname "*.c" -atime -30 -type -f |
change the word "GHBAG" to "stream-agg" in all the file names in current folder which have the word "-GHBAG-" in their name | find . -name '*-GHBAG-*' -exec rename 's/GHBAG/stream-agg/' {} + |
Lists all subdirectories in the current directory | ls -d -- */ ### more reliable GNU ls |
display all the directories in the folder /path/to/dest except tmp directory | find /path/to/dest -type d \( ! -name tmp \) -print |
Remove spaces recursively from all subdirectories under current directory | find /path/to/dir -type d | tac | while read LINE; do target=$/$; echo mv "$LINE" "$target"; done |
Count the number of directories in the current directory and below | find . -type f -exec basename {} \; | wc -l |
Find files that were modified 7 days ago and archive them | find . -type f -mtime 7 | xargs tar -cvf `date '+%d%m%Y'_archive.tar` |
Print unique lines in "set1" and "set2" when compared to each other and remove any tabs | comm -3 < < | sed 's/\t//g' |
Recursively copies /mnt/usr/lib to the '/usr/' directory, creating symbolic links on each file instead of real copying them. | cp -rs /mnt/usr/lib /usr/ |
Run rsync with options specified by variable OPTS, copying directory(ies) specified by variable FIND, and to destination specified by variable BACKUPDIR. | rsync $OPTS $FIND $BACKUPDIR |
change the group of all regular/normal files in the current directory | find . -type f -exec chgrp usergroup {} \; |
Show files in maximum 1 level down the current directory that were modified less than 1 day ago from today | less `find -maxdepth 1 -type f -daystart -mtime -1` |
find all the files in the current folder which have been modified in the last one day | find . -daystart -mtime -1 -ls |
Recursively copies 'SRCFOLDER' to the 'DESTFOLDER/' | cp -R SRCFOLDER DESTFOLDER/ |
Remove the "^M" characters from all *.ext files under /home directory and save the results to new files with _new appended in their names | find /home -type f -name "*.ext" -print0 | while read -r -d "$" -r path; do dos2unix $path $path"_new"; done |
Find all regular files in the current directory tree that are not readable by anyone | find . -type f ! -perm -444 |
Print the contents of "file" with " | " appended to each line | echo `sed -e 's/$/\ |\ /g' file` |
Find all files/directories under current directory tree that start with 'test' in their names without descending into directories with the same name pattern | find . -name 'test*' -prune |
Delete all 'restore.php' files in /var/www and 3 levels below | find /var/www -maxdepth 4 -name 'restore.php' -exec rm -r {} \; |
search for the directory starting with "ora10" in the entire file system | find / -type d -name "ora10*" |
Move all files/directories under current directory to ~/play | find . -exec mv '{}' ~/play/ \; |
Find all files under /path/to/input/ that match the case insensitive string literal '[email protected]' in their contents | find /path/to/input/ -type f -exec grep -qiF [email protected] \{\} \; -print |
Login to "host" using identity file "id_rsa" | ssh -i id_rsa host |
display all the directories in the current folder which start with processor followed by digit and ends with .1 or .2 | find . -type d -regextype posix-egrep -regex '\./processor[0-9]*/10\.(1|2)' |
Count lines that are neither blanks nor comments in a file 'foo.pl' | cat foo.pl | sed '/^\s*#/d;/^\s*$/d' | wc -l |
Find all files under current directory and change their permission to 400 | find . -type f -exec chmod 400 {} \; |
Search only for directories | find -type d |
Search the /myfiles directory tree for files last accessed more than 30 days ago | find /myfiles -atime +30 |
Remove the last line from "$file" without reading the whole file or rewriting anything | tail -n 1 "$file" | wc -c | xargs -I {} truncate "$file" -s -{} |
find the file "filename.txt" in the usr folder | find /usr -name filename.txt -print |
Find all directories under 'test' directory tree whose paths match the regex '.*/course[0-9]\.[0-9]\.[0-9]\.[0-9]$' | find test -type d -regex '.*/course[0-9]\.[0-9]\.[0-9]\.[0-9]$' |
Find all *.mov files under current directory and run an ffmpeg command with the literal '%p' and '%f' as the path and name respectively for each file | find . -iname "*.mov" -exec ffmpeg -i "%p" -f flv "%f" \; |
Find all directories named postgis-2.0.0 under / directory | sudo find / -type d -name "postgis-2.0.0" |
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