nl_command
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Find all .* files excluding list_files under current directory | find . -iname ".*" \! -iname 'list_files' |
Write output and error of "bash myscript.sh" to standard output and to "output.log" | bash myscript.sh 2>&1 | tee output.log |
find the oldest normal file in the current directory and display its contents | find -type f -printf "%T+ %p\0" | sort -z | grep -zom 1 ".*" | cat |
Find all *.tar.gz files/directories under /directory/whatever which were modified more than $DAYS ago and show a message if no files were found | find /directory/whatever -name '*.tar.gz' -mtime +$DAYS | grep 'tar.gz' || echo "You don't have files older than $DAYS days" |
Print a colon-separated list of all directories from the ~/code directory tree, except hidden ones | find ~/code -type d -name '[^\.]*' | tr '\n' ':' | sed 's/:$//' |
Print a sorted list of unique directory paths in entire file system that match the pattern '<name_pattern>' in their names | find / -name '<name_pattern>' -type d | sort | uniq |
Find all directories under /home/username/public_html/themes and set their permission to 750 | find /home/username/public_html/themes -type d -exec chmod 750 {} + |
Find all files/directories under 'A' directory tree excluding directory 'A/a' and all of it's contents | find A \! -path "A/a/*" -a \! -path "A/a" |
Search the home directory tree for .tar.gz files newer than file "filename" | find ~/ -name *.tar.gz -newer filename |
Rename all *.html files under and below the current directory to *.var | find -name '*.html' -print0 | xargs -0 rename 's/\.html$/.var/' |
search for the file "process.txt" in the entire file system | find / -name "process.txt" |
Search directory trees /tmp and /var/tmp for "testfile.txt" | find /tmp /var/tmp -iname "testfile.txt" |
display all the files in the current folder excluding the files with the name mmm | find . -name mmm -prune -o -print |
display all the ip addresses in all the files that are present in /etc folder | find /etc -type f -exec cat '{}' \; | tr -c '.[:digit:]' '\n' | grep '^[^.][^.]*\.[^.][^.]*\.[^.][^.]*\.[^.][^.]*$' |
Execute "ps -C java -o pcpu,state,cputime,etimes" every second | watch -n 1 ps -C java -o pcpu,state,cputime,etimes |
Recursively list all files on smbfs mounts | mount -v | grep smbfs | awk '{print $3}' | xargs ls -lsR |
Make directories and parents for each line in "infile" excluding the file name | while read line; do mkdir -p "${line%/*}"; done < infile |
find all normal/regular files in the folder "//path/to/source/Directory" and calculate the md5sum of them and save the output to file Output.txt | find //path/to/source/Directory -type f -exec md5sum {} + | awk '{print $0}' > Output.txt |
Make directories and parents for each file path in "somefile.txt" excluding the file name | xargs -n 1 dirname <somefile.txt | xargs mkdir -p |
Find all files in the current directory tree that are newer than some_file | find . -newer some_file |
find files with pattern` '*.h' and print comparison between file and /tmp/master directory | find . -name '*.h' -execdir diff -u '{}' /tmp/master ';' |
Find all files/directories under current directory excluding the paths that match the POSIX extended regex ".*def/incoming.*|.*456/incoming.*" | find . -regex-type posix-extended -regex ".*def/incoming.*|.*456/incoming.*" -prune -o -print |
recall the second argument from a previous command by pressing alt-shift-y | bind '"\eY": "\e2\e."' |
find all the text files in the current folder expect those which are in the path "sk" | find . -path "./sk" -prune -o -name "*.txt" -print |
Print file system disk space usage with a grand total | df --total |
Display inputfile all on one line (replace newlines by spaces) | awk '{printf "%s ", $0} END {printf "\n"}' inputfile |
display all files in the current folder after pruning those in the current folder | find . -prune -print |
search for a word in all the files in the entire filesystem and display the matched fline along with the file name | find / -type f -exec grep -Hi 'the brown dog' {} + |
Find all directories under /home/me/"$d" | find /home/me/"$d" -type d |
Change all files in the current directory tree to owner "xx" | find . \ |
Find all regular files under current directory | find . -type f |
Search file /etc/logs/Server.log for lines containing "Error" | find /etc/logs/Server.log -exec grep Error {} \; -print |
Lists all files in a current folder, separating names with space. | ls -1 | awk 'ORS=" "' |
Find all regular files in the "aaa" directory | find aaa/ -maxdepth 1 -type f |
Removes all files like 'A*.pdf' from current folder without prompting. | rm -f A*.pdf |
List the current directory recursively ignoring the "dir1" subdirectory's content | find . -print -name dir -prune |
Find all PHP files under current directory that contain only one line | find . -type f -name '*.php' -exec grep -Hcm2 $ {} + | sed -n '/:1$/{s///;p}' |
Print A record for domain 'domain.' from 'some.other.ip.address' nameserver | dig @some.other.ip.address domain. a |
Print 'infile' content with line numbers | cat -n infile |
Locate python interpreter and show its human-readable file type description, resolving any symlinks. | file -L $(python -c 'import sys; print') |
Count the number of files named 'job.history' under '/data/SpoolIn' directory tree that match 'FAIL' in their contents | find /data/SpoolIn -name job.history -exec grep -l FAIL {} \; | wc -l |
Search the /dir directory tree for files whose names match regular expression '.*2015.*\(album.*\|picture.*\)' | find /dir -regex '.*2015.*\(album.*\|picture.*\)' |
Find all files in current directory and execute command1 and command2 for each file | find . -type f \ |
delete all the files ending with "~" in current folder | find -name '*~' -print0 | xargs -0 rm |
Print the list of the subdirectories of /path/to/dir | find /path/to/dir/ -mindepth 1 -maxdepth 1 -type d |
Find files/directories that are owned by the user 'syslog' in entire filesystem | find / -user syslog |
find all the wav files in the current folder and do not search in the sub directories | find . -name '*.wav' -maxdepth 1 |
Find all *.ogg files on the system ignoring the case | find / -iname '*.ogg' |
Remove all files and directories called "test" from the current directory tree | find . -name test -delete |
set alias "h" for command "history" | alias h='history' |
Assign a name when starting a screen session | screen -S 'name' 'application' |
search for text files in the current folder which do not have write access to others | find . -type f \( -iname "*.txt" -not -perm -o=w \) |
display all the text files in current folder | find . -name "*.txt" |
find all the files in the file system which have read permission to the user and display the ten files | find / -perm /u=r | head |
Print a list of all the files in entire file system whose inode has been modified no later than one minute ago | find / -newerct '1 minute ago' -print |
Find all *.txt files under the current directory whose names are not "File.txt" | find . -maxdepth 1 -type f -regex '.*\.txt' -not -name File.txt |
Search directories /opt, /usr, /var for regular file foo | find /opt /usr /var -name foo -type f |
compress all the non-compressed files in the current directory. | find . \! -name "*.Z" -exec compress -f {} \; |
find all the file that have been modified exactly 3 days ago | find ./ -daystart -mtime -3 |
Search all non-hidden files in the current directory and all non-hidden sub-directories for the file hi.dat. | find *-name hi.dat |
display all the users in the current folder that belong to the group "sunk" | find . -type f -group sunk |
Find all regular files with name pattern $filename under $fileloc directory tree | find "$fileloc" -type f -prune -name "$filename" -print |
Keep the last 4 ASCII characters (bytes) of a string. | echo "0a.00.1 usb controller some text device 4dc9" | rev | cut -b1-4 | rev |
Mount "vfat" filesystem "/dev/sda7" to "/mnt/my_partition" with read and write permission, umask of files and directories set to "0000", and save in fstab and allow ordinary users to mount | sudo mount -t vfat -o rw,auto,user,fmask=0000,dmask=0000 /dev/sda7 /mnt/my_partition |
Create a rsa key of 2048 bits with comment "michael" and store it in file "key". | ssh-keygen -b 2048 -t rsa -f key -C michael |
Dry run making directories in "/TARGET_FOLDER_ROOT/" for each ".mov" file in the current directory tree | find . -type f -iname \*.mov -printf '%h\n' | sort | uniq | xargs -n 1 -d '\n' -I '{}' echo mkdir -vp "/TARGET_FOLDER_ROOT/{}" |
Print a welcome message with the current user's user name | echo "Welcome $!" |
Print a count of all unique lines in "ports.txt" sorted from most frequent to least frequent | sort ports.txt | uniq -c | sort -r |
display all the details of empty files in current folder | find . -size 0 -printf '%M %n %u %g %s %Tb\n \b%Td %Tk:%TM %p\n' |
Get the total size of all files under dir1 directory | find dir1 ! -type d -printf "%s\n" | awk '{sum += $1} END{print sum}' |
Make directories as needed in "dest" for every directory found under "src/" | find src/ -type d -exec mkdir -p dest/{} \; |
Find all HTML files starting with letter 'a' in the current directory and below | find . -name a\*.html |
Saves value '1' in the $PIPESTATUS variable and returns 0. | false | tee /dev/null |
List all *.jar files/directories under /usr, /home and /tmp directory | find /usr /home /tmp -name "*.jar" |
Prints path to the target of symbolic link 'relative/path/to/file' | dirname `readlink -e relative/path/to/file` |
Creates temporary file in a current folder with name formatted like 'templateXXXXXX', and saves path to it in 'tempfile' variable. | tempfile=$(mktemp $(pwd)/templateXXXXXX) |
set alias "my_command" for command "$oldalias --fail-if-command-contains=$bad_string" | alias my_command="$oldalias --fail-if-command-contains=$bad_string" |
Find all directories and for each of them, print an mv command to move it to /new/location | find . -type d -execdir echo /bin/mv {} /new/location \; |
Find all the SGID files in the current directory tree | find . -perm /g+s |
Print lines 10000 to 10010 from input "seq 1 100000" | seq 1 100000 | tail -n +10000 | head -n 10 |
Find all files excluding files ending with 'gz', 'tmp' and 'xftp' in their names in the current directory tree and compress them with gzip not preserving timestamp and original name | find . -type f ! \ -exec gzip -n '{}' \; |
Find directories modified in last 7 days | find . -mtime -7 -type d |
display all the text files in the current folder which have been modified in the last half minute | find . -mmin 0.5 |
Search the current directory tree for regular files that were modified $FTIME days ago | find . -type f -mtime $FTIME |
Print out ln commands for each file in /home/folder1/*.txt that can be run to create symlinks appending '_CUSTOM_TEXT.txt' in their names | find /home/folder1/*.txt -type f | awk -F '.txt' '{printf "ln -s %s %s_CUSTOM_TEXT.txt\n", $0, $1}' |
Changes group ownership of 'public' and 'private' to 'god'. | chgrp god public private |
Recursively change owner to "tomcat6" of "webapps", "temp", "logs", "work", and "conf" | chown -R tomcat6 webapps temp logs work conf |
search for a cpp directory in current folder and display all its files | find . -type d -name "cpp" -exec find {} -type f \; |
Generates default-formatted file name of temporary file in a /dev/mapper folder, and saves path to it in a variable 'MAPPER'. | MAPPER=$(mktemp -up /dev/mapper) |
Search the .c files residing in the Lib/ directory tree for lines beginning with "PyErr" | find Lib/ -name '*.c' -print0 | xargs -0 grep ^PyErr |
Remove all files and directories under '/home/foo' directory tree that match with one of the name patterns '.DS_Store', '._.DS_Store' , '._*', '.TemporaryItems' or '.apdisk' | find /home/foo \ -exec rm -rf {} \; |
Copy all files in "/var/spool/mail" to "/home/username/mail" preserving the directory hierarchy and modification times | find /var/spool/mail -type f | cpio -pvdmB /home/username/mail |
Find all files throughout the entire file hierarchy with the optional constraints of опция_поиска, значение and/or опция_действия. | find / [опция_поиска] [значение] [опция_действия] |
find all the swap files (files ending with ~) in the current folder and delete them | find . -name "*~" -delete |
use regex with find command | find . * | grep -P "[a-f0-9\-]{36}\.jpg" |
List files under current directory which were modified, accessed or whose status were changed $FTIME ago and sort them and remove duplicate entries | | sort | uniq |
Print full path of command "python" | which python |
Creates temporary folder within TMPDIR, with name like current shell name and 10-letter suffix. | mktemp -dt "$(basename $0).XXXXXXXXXX" |
Disable jobs running in their own process group in the shell | set +m |
Find all files in /dir1 and print only the filenames (not paths) | find /dir1 -type f -printf "%f\n" |
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