From d5a4cd2bd44bfb00c04125d20e1235340c333ef4 Mon Sep 17 00:00:00 2001 From: vl4dd Date: Thu, 8 Apr 2021 07:47:24 -0400 Subject: [PATCH] adding info in basic_cmd --- Linux/basic_cmd.md | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/Linux/basic_cmd.md b/Linux/basic_cmd.md index 0e47042..7f1b2a1 100644 --- a/Linux/basic_cmd.md +++ b/Linux/basic_cmd.md @@ -43,7 +43,7 @@ Note: We can use an absolute path from any location where as if you want to use ``` ## Wildcard -### \* Show all picture (multiple char) +### \* show all picture (multiple char) ```bash $ ls pic* ``` @@ -51,7 +51,7 @@ Note: We can use an absolute path from any location where as if you want to use ```bash $ ls pic5?.jpg ``` -[] show only if char in [p-P] +### [] show only if char in [p-P] ```bash $ ls [pP]ic* ``` @@ -79,15 +79,13 @@ back to previous folder ### Mkdir: Make directory ```bash $ mkdir test1 test2 test3 - $ mkdir -p lol/lol/lol ``` -p to create parent directory if needed ### Rmdir: Remove directory ```bash - $ rmdir filename - + $ rmdir filename $ rm -rf filename ``` @@ -114,7 +112,6 @@ Remove all files with the .doc extension recursively in the current working dire ### Touch: change file timestamps but it can also create files ```bash $ touch nomdefichier.md - $ touch pic{00..99}.jpeg # does not work ``` @@ -223,7 +220,7 @@ total 4 ``` -##Using chmod in absolute mode +## Using chmod in absolute mode In the absolute mode, permissions are represented in numeric form (octal system to be precise). In this system, each file permission is represented by a number. @@ -289,7 +286,7 @@ marie steve ## Sysadmin tools -ss### Who: +### Who: ```bash student@debianserver:/var/log$ who waldek tty1 2021-04-08 11:06 @@ -383,6 +380,7 @@ steve:x:1002:1002:,,,:/home/steve:/bin/fish ``` +## how to navigate in a web page source code ### Pipe | : pipe send result of the first command to the second ```bash $ cat /etc/passwd **|** **grep** bash |**cut** -d ":" -f1 @@ -410,6 +408,7 @@ Or, to search the current directory and all subdirectories, omit the path at the ### Wc: print newline, word, and byte counts for each file ```bash $ wc -l +``` ### Realpath @@ -418,8 +417,6 @@ $ realpath example.txt /home/username/example.txt ``` -## how to navigate in a web page source code - ### Wget: The non-interactive network downloader ```bash @@ -433,7 +430,7 @@ $ cat index.html | grep -o "https.*" |cut -d "\"" -f1 |sort | uniq ``` ## text editor -- Nano: Nano's ANOther editor, an enhanced free Pico clone +### Nano: Nano's ANOther editor, an enhanced free Pico clone (simple text editor for noobies) ```bash