Published onSeptember 16, 2025Today I Learnt: Check memory with freebashtilUse free -h to inspect system memory usage.
Published onSeptember 16, 2025Search text quickly with grepbashtilUse grep for pattern search; -R to recurse, -n for line numbers, -i for ignore-case.
Published onSeptember 16, 2025Show first lines with headbashtilhead prints the first N lines of a file; combine with tail or sed for ranges.
Published onSeptember 16, 2025Here-strings (<<<)bashtilHere-strings (`<<<`) feed a short string as stdin to a command.
Published onSeptember 16, 2025Today I Learnt: Show command history with historybashtilList recent shell commands.