Show pagesourceBack to top Share via Share via... Twitter LinkedIn Telegram Yammer RedditRecent ChangesSend via e-MailPrintPermalink × Table of Contents Hotkeys (bash) Snippets do something with multiple files open multiple files in image viewer urlencode text compare md5sum with given string generate 4 letter password mount partition from dd image ssh without executing .login generate crypt(3) output for /etc/shadow convert ext2/ext3 to ext4 backup MBR (Master Boot Record) check & wipe drive compare the contents of two folders login with empty password disable gnome-keyring in favor of ssh-agent hide process informations from other users save current X.org config find out current Kernel boot options similar sites Shell Tricks Hotkeys (bash) Alt + . Esc, . Add last argument of most recent command. Ctrl + A Ctrl + E Jump to start or end of the line. Ctrl + D Disconnect / exit current shell Snippets do something with multiple files You can use find and the -exec option. For example if you want to extract multiple .rar files: find . -name '*.rar' -exec 'unrar' 'e' '{}' \; {} gets replaced with the filename found by find . -name '*.rar'. Watch out that you have to single-quote (') every option to the program you're -executing. open multiple files in image viewer for file in *.jpg; do feh $file&; done The & makes it run in the background and opens all files at once. urlencode text echo "text" | jq -sRr @uri (source) compare md5sum with given string md5sum -c - <<<"b4460802b5853b7bb257fbf071ee4ae2 file_name.ext" generate 4 letter password shuf -n 4 /usr/share/dict/ngerman mount partition from dd image losetup --partscan --find --show sd.img lsblk | grep loop mount /dev/loop0p2 sd/ ssh without executing .login ssh -t user@host /bin/bash generate crypt(3) output for /etc/shadow mkpasswd # on debian openssl passwd -crypt myPassword convert ext2/ext3 to ext4 tune2fs -O extents,uninit_bg,dir_index,has_journal /dev/sdx0 backup MBR (Master Boot Record) # Use 446 bytes to overwrite or restore your /dev/XYZ MBR boot code only with the contents of $mbr.backup.file. # Use 512 bytes to overwrite or restore your /dev/XYZ the full MBR (which contains both boot code and the drive’s partition table) with the contents of $mbr.backup.file. dd if=/dev/sdx of=mbr.img bs=512 count=1 check & wipe drive badblocks -t random -wsv /dev/disk/by-id/drive-id compare the contents of two folders diff -rq dir1 dir2 login with empty password passwd -d USERNAME usermod -U USERNAME disable gnome-keyring in favor of ssh-agent chmod 0 /usr/bin/gnome-keyring-daemon hide process informations from other users mount -o remount,rw,hidepid=2 /proc save current X.org config sudo X :2 -configure find out current Kernel boot options cat /proc/cmdline similar sites commandlinefu.com – It's like Kung Fu, but for the command line. User contributed useful snippets. Last modified: 2022-03-11 09:28