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search for all tar.gz compress files in the current folder | find -name *.tar.gz |
Request authority info with comments for 'djzah.com' from name server 'ns1.hosangit.com', and pass it to 'script.awk' awk script. | dig @ns1.hosangit.com djzah.com +noall +authority +comments | awk -f script.awk |
find all the files in the home folder that have not been modified in the last one year | find $HOME -mtime +365 |
Unzip and untar "4.56_release.tar.gz" to standard output | gunzip -c 4.56_release.tar.gz | tar xvf - |
Count the number of lines in all ".php" files in the current directory tree using bash for Windows | cat `/gnuwin32/bin/find.exe . -name *.php` | wc -l |
Extract rpm "packagename" | rpm2cpio packagename | cpio -ivd |
Find all regular files with '.r' and '.c' in their names under current directory tree | find ./ -type f \( -name '*.r*' -o -name '*.c*' \) -print |
Find all *.swp files/directories under current directory and print the list to a file named 'rm' | find . -name "*.swp" > rm |
Change directory to the output of command '~/marker.sh go "$@"' | cd $( ~/marker.sh go "$@" ) |
Find all files/directores under /etc and run the file command on each of them | find /etc -print0 | xargs -0 file |
Split a file "file.tar.gz" into pieces named as "file.tar.gz.part-NNN" with size 1024 MB where NNN is a numeric suffix | split -b 1024m "file.tar.gz" "file.tar.gz.part-" |
Verbosely change ownership of "$file" to "root" | chown -v root "$file" |
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" {} + |
Fix files to default permissions 755 | find . -type d -exec chmod 755 {} \; |
Add execute permission to "ComputeDate", "col", and "printdirections" for all users | chmod a+x ComputeDate col printdirections |
find all the files in the current folder ending with cpp or hpp or chpp and save the output to the file cscope.files. | find ./ -name "*.[ch]pp" -print > cscope.files |
Saves byte size of $myvar variable value in the 'var2' variable. | var2=$(echo $myvar | wc -c) |
Archive all files/directories under data/ into archive.tar | find data/ -print0 | tar -T - --null --create -f archive.tar |
print apparent size rather than disk usage | du -B1 --apparent-size /tmp/foo.txt |
Change the owner of all files in "/empty_dir/" to "root" using at most 10 files at a time | ls /empty_dir/ | xargs -L10 chown root |
Print the names of all files in the home directory and its subdirectories recursively whose MIME type is video | find ~ -type f -exec file -i {} + | grep video |
find all the backup files in the current folder and delete them | find . -type f -name “FILE-TO-FIND” -delete; |
display the number of lines in all the ".c" files in the current folder | find . -name "*.c" -exec wc -l {} \; |
Print symlink resolved script file name | echo $(basename $(readlink -nf $0)) |
update the permission of all the php files in current directory and save the output to a file | find . -name '*.php' -exec chmod 755 {} \; | tee logfile.txt |
Delete all files with inode number 804180 | find -inum 804180 -exec rm {} \ |
Takes folder name of file $0, changes backslashes to forward ones and saves result in $basedir variable. | basedir=$(cygpath -m "$") |
Find recursively regular files in the directory given as the script's command line argument #1, skipping hidden files and directories | find "$1" -path "*/.*" -prune -o \ |
Send SIGHUP (hangup) signal to nginx master process, causing it to re-read its configuration and restart child processes if necessary. | kill -HUP $( cat /var/run/nginx.pid ) |
Unset the executable bit of all regular files from directory trees arch, etc, lib, module, usr, xpic | find arch etc lib module usr xpic -type f | xargs chmod -x |
replaces the second to last line of file | tac file | sed '2 s/,$//' | tac |
Find all files larger than 100M and delete them | find / -size +100M -exec rm -rf {} \; |
Find all files owned by the user daniel in the current directory and below. | find . -user daniel |
Display only first and second dot-separated numbers of kernel version, ie. 4.4 | uname -r | cut -d. -f1-2 |
list all active jobs and its IDs | jobs -l |
find all the directories in the entire file system whose size is greater than 50KB | find / -type d -size +50k |
Search for files in your home directory which have been modified in the last twenty-four hours | find $HOME -mtime 0 |
Find files modified within the past 24 hours | find . -mtime 0 |
Search for files/directories with the case insensitive pattern anaconda.* in var/log directory and create an archive (file1.tar) of the last block of files sent to xargs | find var/log/ -iname anaconda.* | xargs tar -cvf file1.tar |
Find all regular files recursively in the current directory | find . -type f |
Set variable 'path' to name of current directory converted to lowercase. | path=$(basename $ | tr 'A-Z' 'a-z' ) |
display all the jpg files in the current folder and do not search in sub directories | find . -maxdepth 1 -mindepth 1 -iname '*.jpg' -type f |
Search the current directory tree for files whose names do not end in "1" and "2" | find . -type f ! -name "*1" ! -name "*2" -print |
Archive "/local/path/some_file" to "/some/path" on host "server.com" authenticating as user "usr", compress data during transmission, show progress details. | rsync -avz --progress local/path/some_file [email protected]:"/some/path/" |
Delete all files in the /myDir directory tree that were last modfied 7 days ago | find /myDir -mindepth 1 -mtime 7 -exec rm -rf {} \; |
search for the file "job.history" in the folder /data/Spoolln and search for multiple patterns in the file and display the count of matched lines along with the pattern | find /data/SpoolIn -name job.history | xargs grep -o -m 1 -h 'FAIL\|ABOR' | sort | uniq -c |
Recursively set all permissions under "/whatever/your/directory/is" to 755 | sudo chmod 755 -R /whatever/your/directory/is |
Set variable PacketLoss to first digit of percentage of packet loss occurring when pinging host specified by TestIP | PacketLoss=$(ping "$TestIP" -c 2 | grep -Eo "[0-9]+% packet loss" | grep -Eo "^[0-9]") |
download file "https://raw.githubusercontent.com/creationix/nvm/v0.31.0/install.sh" and execute it | curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.31.0/install.sh | bash |
display the filenames which do not have begin with dot | find . -maxdepth 1 -name '[!.]*' -printf 'Name: %16f Size: %6s\n' |
Find all *.ogg and *.mp3 (case insensitive) files/directories under your home directory | find $HOME -iname '*.ogg' -o -iname '*.mp3' |
Locate file "file1" | find -name file1 |
Find all .tmp files under and below the /tmp/ directory and remove them | find /tmp -name "*.tmp"| xargs rm |
split file abc.txt into pieces per 1500000000 bytes named as "abc.NNN" | split --bytes=1500000000 abc.txt abc |
Searches available packages with 'mysql' and 'client' in name. | yum search mysql | grep client |
Find all files/directories under current directory tree whose names start with '(test)' followed by two digits and end with '.txt' extension | find . -regex ".*/(test)[0-9][0-9]\.txt" |
Recursively removes all empty folders under current folder. | find . -depth -type d -empty -exec rmdir {} \; |
Recursively search for all files with names ending with "_test.rb", renaming them to end with "_spec.rb". | find . -name "*_test.rb" | xargs rename s/_test/_spec/ |
Copy all *.txt files from the current directory tree to /tmp | find . -name '*.txt' | while read line; do echo "Copying '$line' to /tmp"; cp -- "$line" /tmp; done |
create directory foo | mkdir -p foo |
Counts lines in file file1 and shows progress bar while doing. | bar file1 | wc -l |
Recursively prints all files in a current folders, and searches "stringYouWannaFind" in file content ignoring case differences, and preceding found string with its number in file. | find ./ -type f -print -exec grep -n -i "stringYouWannaFind" {} \; |
Print first 11 characters from $line, print a tab, print the md5 sum of the file specified by the 13th and onward characters from $line and print a null character at end without a trailing new line | echo -en "${line:0:11}" "\t" $ "\0" |
list all files in /home/bozo/projects directory tree that were modified exactly one day ago. | find /home/bozo/projects -mtime 1 |
Report file system mounted at $path_in_question disk usage if canonical path $path_in_question is a mount point. | df $path_in_question | grep " $path_in_question$" |
Find recursively the files named "file" in the current directory ignoring the .git subdirectory | find . -path ./.git -prune -o -name file -print |
Print numbered list of all top-level files in the current directory, with name containing 'android' | ls | grep "android" | cat -n |
search for all text files in current folder and delete them | xargs rm -f <<< $ |
ssh into localhost on port 4444 | ssh -p 4444 localhost |
Make $WEEKS_TO_SAVE+1 directories named "weekly.N" where N ranges from 0 to "$WEEKS_TO_SAVE" | mkdir -p $ |
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 |
Compare the contents of "/bin" and "/usr/bin" line by line | diff < < |
Counts all business days in a current month. | cal -h | cut -c 4-17 | tail -n +3 | wc -w |
Remove files that are less than 1MB in size under current directory | find . -size -1M -exec rm {} \; |
Search for 'mystring' in all *.txt files under current directory | find . -name *.txt | xargs egrep mystring |
all the files that end with .mp3 and end with .jpg | find . -name '*.mp3' -name '*.jpg' -print |
Finds strings with dot-separated sequence of numbers, and prints part of that sequence between the first and second dot. | echo "$f" | grep -Eo '[0-9]+[.]+[0-9]+[.]?[0-9]?' | cut -d. -f2 |
Search three folders named foo, bar, and baz for all "*.rb" files | find foo bar baz -name "*.rb" |
find files which do not have all permissions to all the users in the current directory | find . -type f ! -perm 777 | head |
View manual page of the find command | man find |
Prints folder path where $mystring file is located. | echo dirname: $ |
delete all the empty files in the current directory only if they are ok and the user has the permission to delete them | find . -empty -ok rm {}\; |
Search in current directory downwards all files whose owner is aa1 or whose name is myfile . | find . \( -user aa1 -o -name myfile \) -print |
List all files in the current directory tree that were modified less than 60 minutes ago | find . -mmin -60 |xargs ls -l |
Report file systems disk usage using POSIX output format. | df -P |
Print a colon-separated list of all directories from the ~/code directory tree, except hidden ones and those below them | find ~/code -name '.*' -prune -o -type f -a -perm /u+x -printf ':%h\n' | sort | uniq | tr -d '\n' |
List all files under current directory that are greater than 10000000x512 bytes in size | find . -type f -size +10000000 -print|xargs ls -ld|more |
Find all files starting from / whose names end with ".rpm" and change their permissions to 755 | find / -name *.rpm -exec chmod 755 '{}' \; |
Open all files named 'filename' with 'nano' editor in the entire filesystem | find / -name filename -exec nano '{}' \; |
Change permissions to 644 for *.html files under /usr/local | find /usr/local -name "*.html" -type f -exec chmod 644 {} \; |
Display the mimetype of "filename" | file -i filename |
Perform a default cPanel configuration | find /home/*/public_html/ -type f -iwholename “*/wp-includes/version.php” -exec grep -H “\$wp_version =” {} \; |
Change permissions to 600 for all regular .rb files in the current directory tree | find . -name "*.rb" -type f -exec chmod 600 {} \; |
List the full path of each directory in the current working directory | tree -dfi -L 1 "$(pwd)" |
find all the files in the /usr folder that have been modified after the file /usr/FirstFile. | find /usr -newer /usr/FirstFile -print |
find all the files in the /usr folder which have modification date less than or equal to the file "/FirstFile" | find /usr ! -newer /FirstFile -print |
recursively change owner of the directory /usr/local to the current user | sudo chown -R `whoami` /usr/local |
Stores date of last month day in the 'lastdaymonth' variable. | set lastdaymonth=`cal $month $year |tr -s " " "\n"|tail -1` |
Delete all matches to the regex '^.*iframe bla bla bla.*$' in all the php files under current directory tree and modify the files in-place | find ./ -type f -name \*.php -exec sed -i ’s/^.*iframe bla bla bla.*$//g’ {} \; |
find all the html files in the current folder which have not been modified in the last 7 days | find . -mtime +7 -name "*.html" -print |
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