Babak K. Shandiz's Blog

Series

Living in the Shell

Obsessed with doing things in the shell, I've decided to share my daily struggles on living in the shell as terse but informative posts.

Articles in this series

Living in the Shell #24; chmod (Modify file/directory permissions)

Jan 6, 20232 min read

chmod 🔐 Modifies file/directory permissions (See here or here for more details). Permission expressions are mostly formatted as...

Living in the Shell #24; chmod (Modify file/directory permissions)

Living in the Shell #23; cut (Cut Text/Fields from Text Streams)

Dec 24, 20211 min read

cut ✂️ Cuts/extracts text/fields out of text streams. ⚠️ Index values are one-based. Cut characters on a range -c echo "Hello World\!\nGoodbye\!" |...

Living in the Shell #23; cut (Cut Text/Fields from Text Streams)

Living in the Shell #22; md5sum/shasum (Check/Compute MD5/SHA Checksum of Files)

Dec 23, 20211 min read

md5sum/shasum #️⃣ Checks/computes MD5/SHA checksum of files. Compute MD5 checksum md5sum md5sum ~/.bashrc ~/.zshrc...

Living in the Shell #22; md5sum/shasum (Check/Compute MD5/SHA Checksum of Files)

Living in the Shell #21; head (Display File Content From Beginning)

Dec 21, 20211 min read

head 📜 Displays file content from beginning. Print first N lines of a file -n head -n 5 ~/.bashrc Print all but N last lines -n -N tail -n -3...

Living in the Shell #21; head (Display File Content From Beginning)

Living in the Shell #20; tail (Display/Follow File Content)

Dec 20, 20211 min read

tail ⛵ Display or follow file content. ℹ️ Here, following means streaming a file while it's being updated (appended). ℹ️ You can use -c in place of -n...

Living in the Shell #20; tail (Display/Follow File Content)

Living in the Shell #19; df (Report Disk Free Space)

Dec 18, 20212 min read

df 💾 Reports disk free space. See disk free space df Filesystem 1K-blocks Used Available Use% Mounted on tmpfs 1603540 ...

Living in the Shell #19; df (Report Disk Free Space)