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Find all files/directories under current directory tree that are newer than backup.tar.gz by modification time | find . -newer backup.tar.gz |
Find all the *.txt files in the current directory older than 48 hours | find . -maxdepth 1 -name '*.txt' -mtime +2 |
find all the files in current folder ending with "ini" and search for a word in all these files | find . -name *.ini -exec grep -w PROJECT_A {} \; -print | grep ini |
Count all directories under current directory | find . -type d -exec ls -dlrt {} \; | wc --lines |
Archive "/path/to/files" to "/path" on host "user@targethost" with elevated permission on the remote host | rsync -av --rsync-path="sudo rsync" /path/to/files user@targethost:/path |
Delete files containing whitespaces | find . -name "* *" -exec rm -f {} \; |
Recursively changes group ownership of everything within current folder to 'git'. | chgrp -R git ./ |
print full path of relative filename | echo $/$filename |
Find all symbolic links starting from the current directory and list them | find . -type l -ls |
display all the statistics of the files in the current folder and discard the errors. | find . -type f -exec stat {} + > /dev/null |
Print the last 10 commands in history | history | tail -n 10 |
recursively delete, without prompting, directories under /data/bin/test, that are older than 10 days and where the name starts with a number | find /data/bin/test -type d -mtime +10 -name '[0-9]*' -print | xargs rm -rf ; |
Output "file.txt", omitting all containing directories "some/unknown/amoutn/of/sub/folder/" | basename "some/unknown/amount/of/sub/folder/file.txt" |
find all the directories in the current folder which have been modified in 24 hours and move them to the folder /path/to/target-dir | find . -type d -mtime -0 -print0 | xargs -0 mv -t /path/to/target-dir |
check if myfile has 0644 permissions | find myfile -perm 0644 -print |
Look for files with the name 'search' under current directory | find . -name "search" |
Find files in the current directory whose names begin with "file" and remove them | find . -name file* -maxdepth 1 -exec rm {} \; |
display all the text files in the home folder | find /home -iname "*.txt" |
Find all *.rb files/directories under current directory | find . -name "*.rb" |
Find all files/directories under current directory that match the case insensitive regex .*/\(EA\|FS\)_.* | find . -iregex '.*/\(EA\|FS\)_.*' |
Open executable file of command "yum" in vi | vi `which yum` |
extracts text between pattern1 and pattern2 if and only if the pattern1 is followed by pattern2 | tac infile | sed -ne '/pattern2/,/pattern1/ p' | tac - |
Find all files named "filename" | find -name "filename" |
Find not-executable files under /home/www | find /home/www/ ! -executable |
create a tar.gz compress file with all the jpg files in the entire file system | find / -name *.jpg -type f -print | xargs tar -cvzf images.tar.gz |
Print list of files that are only in directory /dir1 and not their sub directories and only their file names. | diff -q /dir1 /dir2 | grep /dir1 | grep -E "^Only in*" | sed -n 's/[^:]*: //p' |
Create 6-letter named temporary file in a folder path $file1, and save the path to it in a variable 'tmpfile' | tmpfile=$(mktemp $/XXXXXX) |
Find all files/directories named 'com.apple.syncedpreferences.plist' (case insensitive) under ~/Library directory tree | find ~/Library/ -iname "com.apple.syncedpreferences.plist" |
switch user to jenkins | su - jenkins |
Search for 'mystring' in all *.txt files under current directory | find . -name '*.txt' | xargs egrep mystring |
display a long listing of all the normal/regular files in the current folder and do not search in the sub folders | find . -maxdepth 1 -type f -exec ls -l {} \; | less |
Use the output of "ping google.com" as input to awk script "packet_loss.awk" | ping google.com | awk -f packet_loss.awk |
Enable history expansion in a script | set -H |
display all the C files or Python files in the folder "euler" | find euler/ -iname "*.c*" -exec echo {} \; -or -iname "*.py" -exec echo {} \; |
display the files along with the size of all the files in the current which are bigger than 100MB | find . -size +100M -exec ls -s {} \; |
Silently read a single character from standard input into variable "REPLY" without backslash escapes, with a timeout of 5 seconds, and using the prompt $'Press any key or wait 5 seconds to continue...\n' | read -rsp $'Press any key or wait 5 seconds to continue...\n' -n 1 -t 5 |
display all the files in the usr folder which have been modified after Feburary 1st | find /usr -newermt "Feb 1" |
Returns exit status 0. | foo=$$ |
extract "passwd.tar.gz" with verbose output | tar -xvzf passwd.tar.gz |
Serach for all the files starting with grep in man pages | find /usr/share/man/ -regex grep.* |
Displays what package provides value 'zsh'. | yum provides zsh |
Execute "ls" every second | watch -n 1 ls |
Find all files under var/ directory and change their permission to 600 | find var/ -type f -exec chmod 600 {} \; |
set alias "pwd" for command "echo -n `pwd` | pbcopy" | alias pwd='echo -n `pwd` | pbcopy' |
Locate all *.csv regular files under the current directory tree | find . -type f -name "*.csv" |
For each line whose first field is the same in file1 and file2, output the common first field followed by all other fields in file1 and file2. | join -j1 file2 file1 |
display all the files in the home folder that have been modified in the last 24 hours | find $HOME -mtime -1 |
Format tab separated fields in "FILE" as a table | column -t -s $'\t' FILE |
find all the files in the file system which hae set uid enabled and save them to /root/suid.txt and those which have size greater than 100MB save them to /root/big.txt | find / \( -perm -4000 -fprintf /root/suid.txt '%#m %u %p\n' \) , ( -size +100M -fprintf /root/big.txt '%-10s %p\n' \) |
Count the number of unique 3 to 6 character file extensions are in the current directory tree | find . -type f -name "*.*" | grep -o -E "\.[^\.]+$" | grep -o -E "[[:alpha:]]{3,6}" | awk '{print tolower($0)}' | sort | uniq -c | sort -rn |
Find all .gz archives in the current directory tree and check if they are valid | find "*.gz" -exec gunzip -vt "{}" + |
Split "$FILENAME" into files with at most 20 lines each with a prefix "xyz" | split -l 20 $FILENAME xyz |
Rename file extension '.andnav' to '.tile' for all files/directories under current directory tree | find . -name "*.andnav" | rename "s/\.andnav$/.tile/" |
List all files with name "someFile" and their modification time under the current directory sorted by oldest modified to newest modified | find . -name "someFile" -printf "%p:%T@\n" | sort -t : -k2 |
Find and copy all log files in the current directory tree to /tmp/log-files | find . -name \*.log -print0 | xargs -I{} -0 cp -v {} /tmp/log-files |
find directory which case-insensitive name is foo in current directory. | find . -iname foo -type d |
Print a list of regular files from directory tree sort_test/ sorted with LC_COLLATE=en_US.UTF-8 | find sort_test -type f | env -i LC_COLLATE=en_US.UTF-8 sort |
find all the files in the current folder which have execute permission | find . -executable |
Search for files greater than 20MB in the entire file system, display the path and file size and discard error reporting of the find command | find / -type f -size +20M -exec ls -lh {} \; 2> /dev/null | awk '{ print $NF ": " $5 }' |
Process all files matching pattern 'file??' and residing in the xargstest/ directory tree with script `myscript.sh' | find xargstest/ -name 'file??' | xargs myscript.sh |
start from current directory, skip the directory src/emacs and all files and directories under it, and print the names of the other files found | find . -wholename './src/emacs' -prune -o -print |
Repeat "image.png" 10 times on a single line | yes image.png | head -n10 | xargs echo |
Lists all subdirectories in a current folder, removing trailing slash. | ls -d */ | cut -f1 -d'/' |
Search "whatyousearchfor" in history and print 3 lines before and 4 lines after | history | grep -A 4 -B 3 whatyousearchfor |
find files having the extension "bam" in current directory | find . -name "*.bam" |
find all the files in the current folder and display adding quotations to each file and replace spaces with new line | find $PWD | sed 's/^/"/g' | sed 's/$/"/g' | tr '\n' ' |
Print a single line of numbers from "001" to "010" | yes | head -n 10 | awk '{printf}' ##for 01..10 |
SSH into "server" as user "user" and interpret commands in "/bin/bash" until "EOT" is received | ssh user@server /bin/bash <<'EOT' |
Search in current directory downwards all files which have not been accessed since last 7 days | find . -atime +7 -print |
Decompress "path/to/test/file.gz" to standard output and save all lines matching "my regex" to files with a 1000000 line limit | gzip -dc path/to/test/file.gz | grep -P --regexp='my regex' | split -l1000000 |
Search the current directory tree for .VER files | find . -name "*.VER" |
Search for the pattern 'search string' in all the files in the ''/tmp folder and display the matched lines along with the file names | find /tmp -type f -exec grep 'search string' '{}' /dev/null \+ |
Find all *.csv files under /foot/bar/ and move them to some_dir | find /foot/bar/ -name '*.csv' -print0 | xargs -0 mv -t some_dir |
Search for 'mystring' in all *.txt files under current directory | find . -name "*.txt" -print0 | xargs -0 egrep mystring |
Find all files/directories owned by user 'joebob' under '/some/directory' directory tree | find /some/directory -user joebob -print |
Find all directories under $1/.hg and set their SGID bit | find "$1"/.hg -type d -print0 | xargs chmod g+s |
Prints process tree with command line arguments of a process having id $PID. | pstree -a "$PID" |
set variable "uname_m" to machine architecture, ie. x86_64 | uname_m=`uname -m` |
Exclude directory from find . command | find -iname example.com | grep -v beta |
Find files/directories greater than 10MB in your home directory | find ~ -size +10M |
Find all directories under 'test' directory tree that match the regex '.*/course[0-9.]*' in their paths | find test -type d -regex '.*/course[0-9.]*' |
Delete all .bam files in the current directory tree | find . -name "*.bam" | xargs rm |
search for all the log files in the folder "/var/log" and create a tar ball and compress it to bz2. | find /var/log -name '*.log' | tar cv --files-from=- | bzip2 > log.tar.bz2 |
Find all files called "INPUT.txt" in the current directory tree and remove lines starting with # in them, saving backup copies as INPUT.txt.bak | find . -type f -name INPUT.txt -print0 | xargs -0 sed -i.bak '/^#/d' |
display all the files in the current folder which do not belong to any group | find . -nogroup |
Delete all files in the /TBD directory that were modified more than 1 day ago | find /TBD/* -mtime +1 -exec rm -rf {} \; |
find all the cpp, java, header files in the current directory | find . -name *.cpp -o -name *.h -o -name *.java |
Split "file.tar.gz" into files of size 1024 MB | split -b 1024m file.tar.gz |
Find all files and directories containing "disc" in their names | find . -name *disc* |
Print concatenated content of all files ending with '.foo' under the current folder | cat `find . -name '*.foo' -print` |
Print name of the block device containing the file system containing $path. | df -P "$path" | awk 'BEGIN {FS="[ ]*[0-9]+%?[ ]+"}; NR==2 {print $1}' |
Search the /myfiles directory tree for regular files with read and write permissions set for `others' | find /myfiles -type f -perm -o+rw |
prints the names of all files in the directory tree rooted in /usr/src whose name ends with ‘.c’ and that are larger than 100 Kilobytes. | find /usr/src -name '*.c' -size +100k -print |
Recursively finds all '*.png' files older than 50 days in a current folder and removes them. | find . -name "*.png" -mtime +50 -exec rm {} \; |
Remove all empty sub-directories under current directory | find . -depth -type d -empty -exec rmdir {} \; |
display all the tex files in the current folder | find . -name "*.tex" |
Remove all empty directories under the current directory and below | find ./ -type d -size 0c -print | xargs rmdir |
Find all directories under current directory and set read-write-execute permission for owner and group and no permission for other for those directories | find . -type d -exec chmod ug=rwx,o= {} \; |
Deletes folder like /tmp/*/* or deeper, older than +7 days if they don`t contain files or other folders. | find /tmp/*/* -mtime +7 -type d -exec rmdir {} \; |
Display differences between output of two programs, 'a' and 'b', residing in the current working directory. | diff < < |
Subsets and Splits