If you know you typed a command or password wrong, you can use ctrl + u to delete the whole line or ctrl + w to delete just a word. This is a very useful tip for editing the text you typed on the command line. Instead of using backspace.
Set a very nice colourful bash shell prompt.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | # set a fancy prompt (non-color, unless we know we "want" color) case "$TERM" in xterm-color) color_prompt=yes;; esac # uncomment for a coloured prompt, if the terminal has the capability; turned # off by default to not distract the user: the focus in a terminal window # should be on the output of commands, not on the prompt force_color_prompt=yes if [ -n "$force_color_prompt" ]; then if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then # We have color support; assume it's compliant with Ecma-48 # (ISO/IEC-6429). (Lack of such support is extremely rare, and such # a case would tend to support setf rather than setaf.) color_prompt=yes else color_prompt= fi fi if [ "$color_prompt" = yes ]; then PS1="\[\033[0;31m\]\342\224\214\342\224\200\$([[ \$? != 0 ]] && echo \"[\[\033[0;31m\]\342\234\227\[\033[0;37m\]]\342\224\200\")[$(if [[ ${EUID} == 0 ]]; then echo '\[\033[01;31m\]root\[\033[01;33m\]@\[\033[01;96m\]\h'; else echo '\[\033[0;39m\]\u\[\033[01;33m\]@\[\033[01;96m\]\h'; fi)\[\033[0;31m\]]\342\224\200[\[\033[0;32m\]\w\[\033[0;31m\]]\n\[\033[0;31m\]\342\224\224\342\224\200\342\224\200\342\225\274 \[\033[0m\]\[\e[01;33m\]\\$\[\e[0m\]" else PS1='┌──[\u@\h]─[\w]\n└──╼ \$ ' fi unset color_prompt force_color_prompt # If this is an xterm set the title to user@host:dir case "$TERM" in xterm*|rxvt*) PS1="\[\033[0;31m\]\342\224\214\342\224\200\$([[ \$? != 0 ]] && echo \"[\[\033[0;31m\]\342\234\227\[\033[0;37m\]]\342\224\200\")[$(if [[ ${EUID} == 0 ]]; then echo '\[\033[01;31m\]root\[\033[01;33m\]@\[\033[01;96m\]\h'; else echo '\[\033[0;39m\]\u\[\033[01;33m\]@\[\033[01;96m\]\h'; fi)\[\033[0;31m\]]\342\224\200[\[\033[0;32m\]\w\[\033[0;31m\]]\n\[\033[0;31m\]\342\224\224\342\224\200\342\224\200\342\225\274 \[\033[0m\]\[\e[01;33m\]\\$\[\e[0m\]" ;; *) ;; esac |
Clear the console screen after logging out to increase privacy.
1 2 3 | if [ "$SHLVL" = 1 ]; then [ -x /usr/bin/clear_console ] && /usr/bin/clear_console -q fi |
Press Alt-T after typing at the shell prompt to swap the last two words.
Type vim and then press Alt-. repeatedly to cycle through the last command-line arguments used on the command line, e.g vim .bashrc. That is the Alt key and the . key.
Press Control-A to quickly jump back to the start of the command line you have typed if you made a typo at the beginning.
Press Control-U to wipe the command line back to the beginning so you can very quickly type another command instead of using backspace. This also copies the command to the clipboard.
Then you may use Control-Y to paste the previously wiped command back to the terminal prompt. This may require Emacs mode to operate in bash.
Use this to set Emacs mode.
$ set -o emacs |
Press Control-W to delete the command-line word by word. This is another quick way to edit a command you mistyped by mistake.
This strange example will list the contents of the directories under your current directory, but not recursively.
┌──(john㉿DESKTOP-PF01IEE)-[~] └─$ ls -hula */ Documents/: total 12M drwxr-xr-x 5 john john 4.0K Jun 29 08:45 . drwxr-xr-x 21 john john 4.0K Jun 29 08:45 .. drwxr-xr-x 2 john john 4.0K Jun 16 05:12 4chan -rwxr-xr-x 1 john john 17K May 26 07:41 a.out -rwxr-xr-x 1 john john 16K May 24 09:12 dir -rw-r--r-- 1 john john 506 Jun 1 10:19 dir.c -rw-r--r-- 1 john john 535 May 24 09:12 dir.c~ -rw-r--r-- 1 john john 3.9M Jun 21 08:54 'Hope is the good thing(The Shawshank Redemption 1994). [JAmspaaSNzE].f140.m4a' -rw-r--r-- 1 john john 2.0M Jun 21 08:54 'Hope is the good thing(The Shawshank Redemption 1994). [JAmspaaSNzE].f160.mp4' -rw-r--r-- 1 john john 5.9M Nov 8 2018 'Hope is the good thing(The Shawshank Redemption 1994). [JAmspaaSNzE].mp4' drwxr-xr-x 3 john john 4.0K Jun 15 13:23 malware -rw-r--r-- 1 john john 971 May 24 09:12 monsters.c -rwxr-xr-x 1 john john 181 May 24 09:12 my.sh -rw-r--r-- 1 john john 27 May 24 09:12 my.txt -rw-r--r-- 1 john john 733 May 24 09:12 net.py -rw------- 1 john john 8 May 24 09:12 nohup.out -rwxr-xr-x 1 john john 17K May 24 09:12 obf -rw-r--r-- 1 john john 858 May 24 09:12 obf.c -rwxr-xr-x 1 john john 21K May 30 09:56 photos -rw-r--r-- 1 john john 3.3K Jun 1 10:19 photos.c -rw-r--r-- 1 john john 15K May 30 09:24 photos.c~ -rwxr-xr-x 1 john john 17K May 26 07:44 pi -rw-r--r-- 1 john john 531 Jun 1 10:19 pi.c -rw-r--r-- 1 john john 532 May 26 07:40 pi.c~ -rw-r--r-- 1 john john 330 May 24 09:12 polling.c -rwxr-xr-x 1 john john 114 May 24 09:12 search.sh -rw-r--r-- 1 john john 18K May 24 09:12 server-20220106-07:29:11.tar.gz -rwxr-xr-x 1 john john 16K May 25 10:20 simple -rw-r--r-- 1 john john 169 Jun 1 10:19 simple.c -rw-r--r-- 1 john john 0 May 25 08:15 simple.c~ -rw-r--r-- 1 john john 261 May 24 09:12 test.sh drwxrwxrwx 2 john john 20K Jun 16 05:12 Wallpaper Downloads/: total 56K drwxr-xr-x 3 john john 4.0K Jun 29 08:45 . drwxr-xr-x 21 john john 4.0K Jun 29 08:45 .. -rw------- 1 john john 35K Feb 2 09:33 GPL.txt -rwxr-xr-x 1 john john 1018 Feb 2 09:33 install.sh drwxr-xr-x 7 john john 4.0K Jun 16 05:12 Persepolis -rwxr-xr-x 1 john john 582 Feb 2 09:33 readme.txt website/: total 220K drwxr-xr-x 2 john john 4.0K Jun 29 08:45 . drwxr-xr-x 21 john john 4.0K Jun 29 08:45 .. -rw-r--r-- 1 john john 5.4K Jun 14 11:59 example_config.xml -rw-r--r-- 1 john john 996 Jun 14 11:59 example_urllist.txt -rw-r--r-- 1 john john 110K Jun 14 12:11 me.tar -rw-r--r-- 1 john john 3.2K Jun 14 11:59 README -rwxr--r-- 1 john john 82K Jun 14 11:59 sitemap_gen.pl |